diff --git a/README.de.md b/README.de.md
index 77d379d..ef57704 100644
--- a/README.de.md
+++ b/README.de.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-Der ultimative Python-Lernführer für Einsteiger und Profis gleichermaßen. :snake: :snake: :snake:
+Der ultimative Python-Lernführer für Einsteiger und Profis gleichermaßen. 🐍 🐍 🐍
 
 ```python
 print("Ultimativer Python-Lernführer")
@@ -66,98 +66,98 @@ Es gibt zwei Möglichkeiten, die Module auszuführen:
 
 ## Inhaltsübersicht
 
-:books: = Externe Ressource,
-:cake: = Thema für Anfänger,
-:exploding_head: = Fortgeschrittenes Thema
+📚 = Externe Ressource,
+🍰 = Thema für Anfänger,
+🤯 = Fortgeschrittenes Thema
 
 1. **Über Python**
-    - Overview: [What is Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - Design philosophy: [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - Style guide: [Style Guide for Python Code](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - Data model: [Data model](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - Standard library: [The Python Standard Library](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - Built-in functions: [Built-in Functions](https://docs.python.org/3/library/functions.html) ( :books: )
+    - Overview: [What is Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - Design philosophy: [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - Style guide: [Style Guide for Python Code](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - Data model: [Data model](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - Standard library: [The Python Standard Library](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - Built-in functions: [Built-in Functions](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **Syntax**
-    - Variable: [Built-in literals](ultimatepython/syntax/variable.py) ( :cake: )
-    - Expression: [Numeric operations](ultimatepython/syntax/expression.py) ( :cake: )
-    - Bitwise: [Bitwise operators](ultimatepython/syntax/bitwise.py) ( :cake: ), [One's/Two's Complement](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - Conditional: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - Loop: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( :cake: )
-    - Function: [def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - Variable: [Built-in literals](ultimatepython/syntax/variable.py) ( 🍰 )
+    - Expression: [Numeric operations](ultimatepython/syntax/expression.py) ( 🍰 )
+    - Bitwise: [Bitwise operators](ultimatepython/syntax/bitwise.py) ( 🍰 ), [One's/Two's Complement](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - Conditional: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - Loop: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( 🍰 )
+    - Function: [def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **Daten-Strukturen**
-    - List: [List operations](ultimatepython/data_structures/list.py) ( :cake: )
+    - List: [List operations](ultimatepython/data_structures/list.py) ( 🍰 )
     - Tuple: [Tuple operations](ultimatepython/data_structures/tuple.py)
     - Set: [Set operations](ultimatepython/data_structures/set.py)
-    - Dict: [Dictionary operations](ultimatepython/data_structures/dict.py) ( :cake: )
+    - Dict: [Dictionary operations](ultimatepython/data_structures/dict.py) ( 🍰 )
     - Comprehension: [list | tuple | set | dict](ultimatepython/data_structures/comprehension.py)
-    - String: [String operations](ultimatepython/data_structures/string.py) ( :cake: )
-    - Deque: [deque](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - Time complexity: [cPython operations](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - String: [String operations](ultimatepython/data_structures/string.py) ( 🍰 )
+    - Deque: [deque](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - Time complexity: [cPython operations](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **Klassen**
-    - Basic class: [Basic definition](ultimatepython/classes/basic_class.py) ( :cake: )
-    - Inheritance: [Inheritance](ultimatepython/classes/inheritance.py) ( :cake: )
+    - Basic class: [Basic definition](ultimatepython/classes/basic_class.py) ( 🍰 )
+    - Inheritance: [Inheritance](ultimatepython/classes/inheritance.py) ( 🍰 )
     - Abstract class: [Abstract definition](ultimatepython/classes/abstract_class.py)
     - Exception class: [Exception definition](ultimatepython/classes/exception_class.py)
-    - Iterator class: [Iterator definition | yield](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - Iterator class: [Iterator definition | yield](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - Encapsulation: [Encapsulation definition](ultimatepython/classes/encapsulation.py)
 5. **Fortgeschrittene**
-    - Decorator: [Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - File Handling: [File Handling](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - Context manager: [Context managers](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - Method resolution order: [mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - Mixin: [Mixin definition](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - Metaclass: [Metaclass definition](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - Thread: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - Weak reference: [weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - Benchmark: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - Regular expression: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - Data format: [json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - Datetime: [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - Decorator: [Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - File Handling: [File Handling](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - Context manager: [Context managers](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - Method resolution order: [mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - Mixin: [Mixin definition](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - Metaclass: [Metaclass definition](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - Thread: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - Weak reference: [weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - Benchmark: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - Regular expression: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - Data format: [json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - Datetime: [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 ## Zusätzliche Ressourcen
 
-:necktie: = Interview-Ressource,
-:test_tube: = Code-Beispiele,
-:brain: = Projektideen
+👔 = Interview-Ressource,
+🧪 = Code-Beispiele,
+🧠 = Projektideen
 
 ### GitHub repositories
 
 Lernen Sie weiter, indem Sie von anderen Quellen lesen.
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie:, :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie:, :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) ( :brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔, 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔, 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) ( 🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### Interaktive Übungen
 
 Üben Sie weiter, damit Ihre Programmierkenntnisse nicht einrosten.
 
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [codementor.io](https://www.codementor.io) ( :brain: )
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [codementor.io](https://www.codementor.io) ( 🧠 )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )
diff --git a/README.es.md b/README.es.md
index b6118a6..815f7c3 100644
--- a/README.es.md
+++ b/README.es.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-Guía de estudio "Python Definitivo" para principiantes y profesionales. :snake: :snake: :snake:
+Guía de estudio "Python Definitivo" para principiantes y profesionales. 🐍 🐍 🐍
 
 ```python
 print("Guía de estudio 'Python Definitivo'")
@@ -65,98 +65,98 @@ Hay dos maneras de ejecutar los módulos:
 
 ## Contenido
 
-:books: = Recurso externo,
-:cake: = Tema principiante,
-:exploding_head: = Tema avanzado
+📚 = Recurso externo,
+🍰 = Tema principiante,
+🤯 = Tema avanzado
 
 1. **Sobre Python**
-    - Resumen: [¿Qué es Python?](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - Filosofía de diseño: [El Zen de Python](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - Guía de estilos: [Guía de estilos para código de Python](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - Modelo de datos: [Modelo de datos](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - Librería estándar: [La librería estándar de Python](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - Funciones integradas: [Funciones integradas](https://docs.python.org/3/library/functions.html) ( :books: )
+    - Resumen: [¿Qué es Python?](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - Filosofía de diseño: [El Zen de Python](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - Guía de estilos: [Guía de estilos para código de Python](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - Modelo de datos: [Modelo de datos](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - Librería estándar: [La librería estándar de Python](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - Funciones integradas: [Funciones integradas](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **Sintaxis**
-    - Variables: [Literales integrados](ultimatepython/syntax/variable.py) ( :cake: )
-    - Expresiones: [Operaciones numéricas](ultimatepython/syntax/expression.py) ( :cake: )
-    - Bit a bit: [Operadores bit a bit](ultimatepython/syntax/bitwise.py) ( :cake: ), [Complemento a uno/dos](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - Condicionales: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - Iteraciones: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( :cake: )
-    - Funciones: [def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - Variables: [Literales integrados](ultimatepython/syntax/variable.py) ( 🍰 )
+    - Expresiones: [Operaciones numéricas](ultimatepython/syntax/expression.py) ( 🍰 )
+    - Bit a bit: [Operadores bit a bit](ultimatepython/syntax/bitwise.py) ( 🍰 ), [Complemento a uno/dos](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - Condicionales: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - Iteraciones: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( 🍰 )
+    - Funciones: [def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **Estructura de datos**
-    - Lista: [Operaciones con listas](ultimatepython/data_structures/list.py) ( :cake: )
+    - Lista: [Operaciones con listas](ultimatepython/data_structures/list.py) ( 🍰 )
     - Tupla: [Operaciones con tuplas](ultimatepython/data_structures/tuple.py)
     - Set: [Operaciones con sets](ultimatepython/data_structures/set.py)
-    - Diccionario: [Operaciones con dicts](ultimatepython/data_structures/dict.py) ( :cake: )
+    - Diccionario: [Operaciones con dicts](ultimatepython/data_structures/dict.py) ( 🍰 )
     - Comprensión: [list | tuple | set | dict](ultimatepython/data_structures/comprehension.py)
-    - Cadena: [Operaciones con strings](ultimatepython/data_structures/string.py) ( :cake: )
-    - Deque: [deque](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - Complejidad de tiempo: [Operaciones de cPython](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - Cadena: [Operaciones con strings](ultimatepython/data_structures/string.py) ( 🍰 )
+    - Deque: [deque](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - Complejidad de tiempo: [Operaciones de cPython](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **Clases**
-    - Clase básica: [Definición de básica](ultimatepython/classes/basic_class.py) ( :cake: )
-    - Herencia: [Herencia](ultimatepython/classes/inheritance.py) ( :cake: )
+    - Clase básica: [Definición de básica](ultimatepython/classes/basic_class.py) ( 🍰 )
+    - Herencia: [Herencia](ultimatepython/classes/inheritance.py) ( 🍰 )
     - Clase abstracta: [Definición de abstracta](ultimatepython/classes/abstract_class.py)
     - Clase de excepción: [Definición de excepción](ultimatepython/classes/exception_class.py)
-    - Clase iteradora: [Definición de iteradora | yield](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - Clase iteradora: [Definición de iteradora | yield](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - Encapsulación: [Definición de encapsulación](ultimatepython/classes/encapsulation.py)
 5. **Avanzado**
-    - Decorador: [Definición de decorador | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - Manejo de archivos: [Manejo de archivos](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - Gestor de contexto: [Gestores de contexto](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - Orden de resolución de método (MRO por sus siglas en inglés): [mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - Mixin: [Definición de Mixin](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - Metaclase: [Definición de metaclase](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - Hilos: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - Referencias débiles: [weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - Referencia: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - Expresiones regulares: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - Formatos de datos: [json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - Fecha y hora: [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - Decorador: [Definición de decorador | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - Manejo de archivos: [Manejo de archivos](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - Gestor de contexto: [Gestores de contexto](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - Orden de resolución de método (MRO por sus siglas en inglés): [mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - Mixin: [Definición de Mixin](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - Metaclase: [Definición de metaclase](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - Hilos: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - Referencias débiles: [weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - Referencia: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - Expresiones regulares: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - Formatos de datos: [json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - Fecha y hora: [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 ## Recursos adicionales
 
-:necktie: = Recurso de entrevista,
-:test_tube: = Ejemplos de código,
-:brain: = Ideas para proyecto
+👔 = Recurso de entrevista,
+🧪 = Ejemplos de código,
+🧠 = Ideas para proyecto
 
 ### Repositorios de GitHub
 
 Sigue aprendiendo leyendo otros buenos recursos.
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie:, :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie:, :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) (:brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔, 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔, 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) (🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### Práctica interactiva
 
 Continua practicando para que no se oxiden tus habilidades de programación.
 
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [codementor.io](https://www.codementor.io) ( :brain: )
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [codementor.io](https://www.codementor.io) ( 🧠 )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )
diff --git a/README.hi.md b/README.hi.md
index f117d65..c62b548 100644
--- a/README.hi.md
+++ b/README.hi.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-नए और पेशेवर लोगों के लिए अल्टीमेट पायथन अध्ययन गाइड। :snake: :snake: :snake:
+नए और पेशेवर लोगों के लिए अल्टीमेट पायथन अध्ययन गाइड। 🐍 🐍 🐍
 
 ```python
 print("Ultimate Python study guide")
@@ -46,101 +46,101 @@ print("Ultimate Python study guide")
 
 ## विषय सूची
 
-:books: = बाहरी स्रोत,  
-:cake: = शुरुआती विषय,  
-:exploding_head: = उन्नत विषय
+📚 = बाहरी स्रोत,
+🍰 = शुरुआती विषय,
+🤯 = उन्नत विषय
 
 
 1. **पायथन के बारे में**
-    - अवलोकन: [पायथन क्या है](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - डिज़ाइन दर्शन: [पायथन का ज़ेन](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - शैली मार्गदर्शिका: [पायथन कोड के लिए शैली मार्गदर्शिका](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - डेटा मॉडल: [डेटा मॉडल](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - मानक पुस्तकालय: [पायथन मानक पुस्तकालय](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - अंतर्निहित कार्य: [अंतर्निहित कार्य](https://docs.python.org/3/library/functions.html) ( :books: )
+    - अवलोकन: [पायथन क्या है](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - डिज़ाइन दर्शन: [पायथन का ज़ेन](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - शैली मार्गदर्शिका: [पायथन कोड के लिए शैली मार्गदर्शिका](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - डेटा मॉडल: [डेटा मॉडल](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - मानक पुस्तकालय: [पायथन मानक पुस्तकालय](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - अंतर्निहित कार्य: [अंतर्निहित कार्य](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **सिंटेक्स**
-    - वेरिएबल: [अंतर्निहित लिटरल](ultimatepython/syntax/variable.py) ( :cake: )
-    - अभिव्यक्ति: [संख्यात्मक ऑपरेशन्स](ultimatepython/syntax/expression.py) ( :cake: )
-    - बाइनरी: [बाइनरी ऑपरेटर](ultimatepython/syntax/bitwise.py) ( :cake: ), [एक्स/टू का पूरक](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - कंडीशनल: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - लूप: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( :cake: )
-    - फ़ंक्शन: [def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - वेरिएबल: [अंतर्निहित लिटरल](ultimatepython/syntax/variable.py) ( 🍰 )
+    - अभिव्यक्ति: [संख्यात्मक ऑपरेशन्स](ultimatepython/syntax/expression.py) ( 🍰 )
+    - बाइनरी: [बाइनरी ऑपरेटर](ultimatepython/syntax/bitwise.py) ( 🍰 ), [एक्स/टू का पूरक](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - कंडीशनल: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - लूप: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( 🍰 )
+    - फ़ंक्शन: [def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **डेटा संरचनाएँ**
-    - लिसट: [लिसट ऑपरेशन्स](ultimatepython/data_structures/list.py) ( :cake: )
+    - लिसट: [लिसट ऑपरेशन्स](ultimatepython/data_structures/list.py) ( 🍰 )
     - ट्यूपल: [ट्यूपल ऑपरेशन्स](ultimatepython/data_structures/tuple.py)
     - सेट: [सेट ऑपरेशन्स](ultimatepython/data_structures/set.py)
-    - डिक्ट: [डिक्शनरी ऑपरेशन्स](ultimatepython/data_structures/dict.py) ( :cake: )
+    - डिक्ट: [डिक्शनरी ऑपरेशन्स](ultimatepython/data_structures/dict.py) ( 🍰 )
     - संकलन: [लिसट | ट्यूपल | सेट | डिक्ट](ultimatepython/data_structures/comprehension.py)
-    - स्ट्रिंग: [स्ट्रिंग ऑपरेशन्स](ultimatepython/data_structures/string.py) ( :cake: )
-    - डेक: [डेक](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - नामित ट्यूपल: [नामित ट्यूपल](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - डिफ़ॉल्ट डिक्ट: [डिफ़ॉल्ट डिक्ट](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - समय कोम्पलेक्सिटी: [cPython ऑपरेशन्स](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - स्ट्रिंग: [स्ट्रिंग ऑपरेशन्स](ultimatepython/data_structures/string.py) ( 🍰 )
+    - डेक: [डेक](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - नामित ट्यूपल: [नामित ट्यूपल](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - डिफ़ॉल्ट डिक्ट: [डिफ़ॉल्ट डिक्ट](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - समय कोम्पलेक्सिटी: [cPython ऑपरेशन्स](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **क्लासेज़**
-    - बेसिक क्लास: [बेसिक परिभाषा](ultimatepython/classes/basic_class.py) ( :cake: )
-    - इन्हरिटैंस: [इन्हरिटैंस](ultimatepython/classes/inheritance.py) ( :cake: )
+    - बेसिक क्लास: [बेसिक परिभाषा](ultimatepython/classes/basic_class.py) ( 🍰 )
+    - इन्हरिटैंस: [इन्हरिटैंस](ultimatepython/classes/inheritance.py) ( 🍰 )
     - एैबस्टराक्ट क्लास: [एैबस्टराक्ट परिभाषा](ultimatepython/classes/abstract_class.py)
     - एक्सेपशन क्लास: [एक्सेपशन परिभाषा](ultimatepython/classes/exception_class.py)
-    - इटरेटर क्लास: [इटरेटर परिभाषा | yield](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - इटरेटर क्लास: [इटरेटर परिभाषा | yield](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - ऐनकैपसुलेषन: [ऐनकैपसुलेषन परिभाषा](ultimatepython/classes/encapsulation.py)
 5. **उन्नत**
-    - डेकोरेटर: [डेकोरेटर परिभाषा | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - फ़ाइल प्रबंधन: [फ़ाइल प्रबंधन](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - संदर्भ प्रबंधक: [संदर्भ प्रबंधक](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - मेथड रिज़ॉल्यूशन क्रम: [mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - मिक्सिन: [मिक्सिन परिभाषा](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - मेटाक्लास: [मेटाक्लास परिभाषा](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - थ्रेड: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - एसिंको: [async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - वीक रेफरेंस: [weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - बेंचमार्क: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - मॉकिंग: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - नियमित अभिव्यक्ति: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - डेटा फ़ॉर्मेट: [json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - दिनांक और समय: [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - डेकोरेटर: [डेकोरेटर परिभाषा | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - फ़ाइल प्रबंधन: [फ़ाइल प्रबंधन](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - संदर्भ प्रबंधक: [संदर्भ प्रबंधक](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - मेथड रिज़ॉल्यूशन क्रम: [mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - मिक्सिन: [मिक्सिन परिभाषा](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - मेटाक्लास: [मेटाक्लास परिभाषा](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - थ्रेड: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - एसिंको: [async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - वीक रेफरेंस: [weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - बेंचमार्क: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - मॉकिंग: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - नियमित अभिव्यक्ति: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - डेटा फ़ॉर्मेट: [json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - दिनांक और समय: [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 
 ## अतिरिक्त संसाधन
 
-:necktie: = इंटरव्यू संसाधन,
-:test_tube: = कोड नमूने,
-:brain: = प्रोजेक्ट विचार
+👔 = इंटरव्यू संसाधन,
+🧪 = कोड नमूने,
+🧠 = प्रोजेक्ट विचार
 
 
 ### गिटहब रिपॉजिटरी
 
 अन्य उच्च मानक संसाधनों से पढ़कर सीखना जारी रखें।
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie: , :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie: , :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) ( :brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔 , 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔 , 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) ( 🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### इंटरैक्टिव प्रैक्टिस
 
 अभ्यास करते रहें ताकि आपकी कोडिंग कौशल खराब न हों।
 
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [codementor.io](https://www.codementor.io) ( :brain: )
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [codementor.io](https://www.codementor.io) ( 🧠 )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )
diff --git a/README.ko.md b/README.ko.md
index 30b7203..d30b4ca 100644
--- a/README.ko.md
+++ b/README.ko.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-초보자와 전문가 모두를 위한 최고의 Python 학습 가이드입니다. :snake: :snake: :snake:
+초보자와 전문가 모두를 위한 최고의 Python 학습 가이드입니다. 🐍 🐍 🐍
 
 ```python
 print("Ultimate Python 학습 가이드")
@@ -55,98 +55,98 @@ print("Ultimate Python 학습 가이드")
 
 ## 목차
 
-:books: = 외부 리소스,
-:cake: = 초급 주제,
-:exploding_head: = 고급 주제
+📚 = 외부 리소스,
+🍰 = 초급 주제,
+🤯 = 고급 주제
 
 1. **Python 정보**
-    - 개요 : [Python이란 무엇인가](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - 디자인 철학 : [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - 스타일 가이드 : [Python 코드 스타일 가이드](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - 데이터 모델 : [데이터 모델](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - 표준 라이브러리 : [Python 표준 라이브러리](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - 내장 함수 : [내장 함수](https://docs.python.org/3/library/functions.html) ( :books: )
+    - 개요 : [Python이란 무엇인가](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - 디자인 철학 : [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - 스타일 가이드 : [Python 코드 스타일 가이드](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - 데이터 모델 : [데이터 모델](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - 표준 라이브러리 : [Python 표준 라이브러리](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - 내장 함수 : [내장 함수](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **통사론**
-    - 변수 : [내장 리터럴](ultimatepython/syntax/variable.py) ( :cake: )
-    - 표현식 : [숫자 연산](ultimatepython/syntax/expression.py) ( :cake: )
-    - 비트 연산 : [비트 연산자](ultimatepython/syntax/bitwise.py) ( :cake: ), [1의 보수/2의 보수](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - 조건문 : [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - 반복문 : [for-loop | while-loop](ultimatepython/syntax/loop.py) ( :cake: )
-    - 함수 : [def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - 변수 : [내장 리터럴](ultimatepython/syntax/variable.py) ( 🍰 )
+    - 표현식 : [숫자 연산](ultimatepython/syntax/expression.py) ( 🍰 )
+    - 비트 연산 : [비트 연산자](ultimatepython/syntax/bitwise.py) ( 🍰 ), [1의 보수/2의 보수](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - 조건문 : [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - 반복문 : [for-loop | while-loop](ultimatepython/syntax/loop.py) ( 🍰 )
+    - 함수 : [def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **데이터 구조**
-    - 리스트 : [리스트 연산](ultimatepython/data_structures/list.py) ( :cake: )
+    - 리스트 : [리스트 연산](ultimatepython/data_structures/list.py) ( 🍰 )
     - 튜플 : [튜플 연산](ultimatepython/data_structures/tuple.py)
     - 세트 : [세트 연산](ultimatepython/data_structures/set.py)
-    - 딕셔너리 : [딕셔너리 연산](ultimatepython/data_structures/dict.py) ( :cake: )
+    - 딕셔너리 : [딕셔너리 연산](ultimatepython/data_structures/dict.py) ( 🍰 )
     - 컴프리헨션 : [리스트 | 튜플 | 세트 | 딕셔너리](ultimatepython/data_structures/comprehension.py)
-    - 문자열 : [문자열 연산](ultimatepython/data_structures/string.py) ( :cake: )
-    - 덱: [deque](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - 시간 복잡도 : [cPython 연산](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - 문자열 : [문자열 연산](ultimatepython/data_structures/string.py) ( 🍰 )
+    - 덱: [deque](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - 시간 복잡도 : [cPython 연산](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **클래스**
-    - 기본 클래스 : [기본 정의](ultimatepython/classes/basic_class.py) ( :cake: )
-    - 계승: [계승](ultimatepython/classes/inheritance.py) ( :cake: )
+    - 기본 클래스 : [기본 정의](ultimatepython/classes/basic_class.py) ( 🍰 )
+    - 계승: [계승](ultimatepython/classes/inheritance.py) ( 🍰 )
     - 추상 클래스 : [추상 정의](ultimatepython/classes/abstract_class.py)
     - 예외 클래스 : [예외 정의](ultimatepython/classes/exception_class.py)
-    - 이터레이터 클래스 : [이터레이터 정의 | yield](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - 이터레이터 클래스 : [이터레이터 정의 | yield](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - 캡슐화: [캡슐화 정의](ultimatepython/classes/encapsulation.py)
 5. **고급**
-    - 데코레이터 : [데코레이터 정의 | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - 파일 처리: [파일 처리](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - 컨텍스트 매니저 : [컨텍스트 매니저](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - 메서드 결정 순서 : [mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - 믹스인 : [믹스인 정의](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - 메타클래스 : [메타클래스 정의](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - 스레드 : [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - Asyncio : [async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - 약한 참조 : [weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - 벤치마크 : [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - 모킹 : [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - 정규식 : [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - 데이터 포맷 : [json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - 날짜와 시간 : [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - 데코레이터 : [데코레이터 정의 | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - 파일 처리: [파일 처리](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - 컨텍스트 매니저 : [컨텍스트 매니저](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - 메서드 결정 순서 : [mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - 믹스인 : [믹스인 정의](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - 메타클래스 : [메타클래스 정의](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - 스레드 : [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - Asyncio : [async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - 약한 참조 : [weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - 벤치마크 : [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - 모킹 : [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - 정규식 : [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - 데이터 포맷 : [json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - 날짜와 시간 : [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 ## 추가 자료
 
-:necktie: = 인터뷰 자료,
-:test_tube: = 코드 샘플,
-:brain: = 프로젝트 아이디어
+👔 = 인터뷰 자료,
+🧪 = 코드 샘플,
+🧠 = 프로젝트 아이디어
 
 ### GitHub 저장소
 
 잘 알려진 다른 자료를 읽으면서 계속 배우세요.
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie:, :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie:, :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) ( :brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔, 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔, 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) ( 🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### 대화형 연습
 
 코딩 실력이 녹슬지 않기 위해 계속 연습하세요.
 
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [codementor.io](https://www.codementor.io) ( :brain: )
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [codementor.io](https://www.codementor.io) ( 🧠 )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )
diff --git a/README.md b/README.md
index ebd83db..191a111 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-Ultimate Python study guide for newcomers and professionals alike. :snake: :snake: :snake:
+Ultimate Python study guide for newcomers and professionals alike. 🐍 🐍 🐍
 
 ```python
 print("Ultimate Python study guide")
@@ -67,98 +67,98 @@ There are two ways of running the modules:
 
 ## Table of contents
 
-:books: = External resource,
-:cake: = Beginner topic,
-:exploding_head: = Advanced topic
+📚 = External resource,
+🍰 = Beginner topic,
+🤯 = Advanced topic
 
 1. **About Python**
-    - Overview: [What is Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - Design philosophy: [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - Style guide: [Style Guide for Python Code](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - Data model: [Data model](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - Standard library: [The Python Standard Library](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - Built-in functions: [Built-in Functions](https://docs.python.org/3/library/functions.html) ( :books: )
+    - Overview: [What is Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - Design philosophy: [The Zen of Python](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - Style guide: [Style Guide for Python Code](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - Data model: [Data model](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - Standard library: [The Python Standard Library](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - Built-in functions: [Built-in Functions](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **Syntax**
-    - Variable: [Built-in literals](ultimatepython/syntax/variable.py) ( :cake: )
-    - Expression: [Numeric operations](ultimatepython/syntax/expression.py) ( :cake: )
-    - Bitwise: [Bitwise operators](ultimatepython/syntax/bitwise.py) ( :cake: ), [One's/Two's Complement](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - Conditional: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - Loop: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( :cake: )
-    - Function: [def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - Variable: [Built-in literals](ultimatepython/syntax/variable.py) ( 🍰 )
+    - Expression: [Numeric operations](ultimatepython/syntax/expression.py) ( 🍰 )
+    - Bitwise: [Bitwise operators](ultimatepython/syntax/bitwise.py) ( 🍰 ), [One's/Two's Complement](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - Conditional: [if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - Loop: [for-loop | while-loop](ultimatepython/syntax/loop.py) ( 🍰 )
+    - Function: [def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **Data Structures**
-    - List: [List operations](ultimatepython/data_structures/list.py) ( :cake: )
+    - List: [List operations](ultimatepython/data_structures/list.py) ( 🍰 )
     - Tuple: [Tuple operations](ultimatepython/data_structures/tuple.py)
     - Set: [Set operations](ultimatepython/data_structures/set.py)
-    - Dict: [Dictionary operations](ultimatepython/data_structures/dict.py) ( :cake: )
+    - Dict: [Dictionary operations](ultimatepython/data_structures/dict.py) ( 🍰 )
     - Comprehension: [list | tuple | set | dict](ultimatepython/data_structures/comprehension.py)
-    - String: [String operations](ultimatepython/data_structures/string.py) ( :cake: )
-    - Deque: [deque](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - Time complexity: [cPython operations](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - String: [String operations](ultimatepython/data_structures/string.py) ( 🍰 )
+    - Deque: [deque](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - Time complexity: [cPython operations](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **Classes**
-    - Basic class: [Basic definition](ultimatepython/classes/basic_class.py) ( :cake: )
-    - Inheritance: [Inheritance](ultimatepython/classes/inheritance.py) ( :cake: )
+    - Basic class: [Basic definition](ultimatepython/classes/basic_class.py) ( 🍰 )
+    - Inheritance: [Inheritance](ultimatepython/classes/inheritance.py) ( 🍰 )
     - Abstract class: [Abstract definition](ultimatepython/classes/abstract_class.py)
     - Exception class: [Exception definition](ultimatepython/classes/exception_class.py)
-    - Iterator class: [Iterator definition | yield](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - Iterator class: [Iterator definition | yield](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - Encapsulation: [Encapsulation definition](ultimatepython/classes/encapsulation.py)
 5. **Advanced**
-    - Decorator: [Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - File Handling: [File Handling](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - Context manager: [Context managers](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - Method resolution order: [mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - Mixin: [Mixin definition](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - Metaclass: [Metaclass definition](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - Thread: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - Weak reference: [weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - Benchmark: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - Regular expression: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - Data format: [json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - Datetime: [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - Decorator: [Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - File Handling: [File Handling](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - Context manager: [Context managers](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - Method resolution order: [mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - Mixin: [Mixin definition](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - Metaclass: [Metaclass definition](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - Thread: [ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - Asyncio: [async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - Weak reference: [weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - Benchmark: [cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - Mocking: [MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - Regular expression: [search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - Data format: [json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - Datetime: [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 ## Additional resources
 
-:necktie: = Interview resource,
-:test_tube: = Code samples,
-:brain: = Project ideas
+👔 = Interview resource,
+🧪 = Code samples,
+🧠 = Project ideas
 
 ### GitHub repositories
 
 Keep learning by reading from other well-regarded resources.
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie: , :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie: , :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) ( :brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔 , 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔 , 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) ( 🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### Interactive practice
 
 Keep practicing so that your coding skills don't get rusty.
 
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [codementor.io](https://www.codementor.io) ( :brain: )
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [codementor.io](https://www.codementor.io) ( 🧠 )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )
diff --git a/README.zh_tw.md b/README.zh_tw.md
index 2f41378..b67916a 100644
--- a/README.zh_tw.md
+++ b/README.zh_tw.md
@@ -6,7 +6,7 @@
 [![License](https://img.shields.io/github/license/huangsam/ultimate-python)](https://github.com/huangsam/ultimate-python/blob/main/LICENSE)
 [![r/Python](https://img.shields.io/badge/reddit-original_post-red)](https://www.reddit.com/r/Python/comments/inllmf/ultimate_python_study_guide/)
 
-Ultimate Python 學習大綱 - 適用於新手和專業人士。:snake: :snake: :snake:
+Ultimate Python 學習大綱 - 適用於新手和專業人士。🐍 🐍 🐍
 
 ```python
 print("Ultimate Python 學習大綱")
@@ -50,97 +50,97 @@ print("Ultimate Python 學習大綱")
 
 ## 目錄
 
-:books: = 外部資源，
-:cake: = 入門題目，
-:exploding_head: = 進階題目
+📚 = 外部資源，
+🍰 = 入門題目，
+🤯 = 進階題目
 
 1. **關於 Python**
-    - 概述：[什麼是 Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( :books:, :cake: )
-    - 設計理念：[Python之格言](https://www.python.org/dev/peps/pep-0020/) ( :books: )
-    - 樣式指南：[Python代碼樣式指南](https://www.python.org/dev/peps/pep-0008/) ( :books:, :exploding_head: )
-    - 數據模型：[數據模型](https://docs.python.org/3/reference/datamodel.html) ( :books:, :exploding_head: )
-    - 標準庫：[Python標準庫](https://docs.python.org/3/library/) ( :books:, :exploding_head: )
-    - 內置函式：[內置函式](https://docs.python.org/3/library/functions.html) ( :books: )
+    - 概述：[什麼是 Python](https://github.com/trekhleb/learn-python/blob/master/src/getting_started/what_is_python.md) ( 📚, 🍰 )
+    - 設計理念：[Python之格言](https://www.python.org/dev/peps/pep-0020/) ( 📚 )
+    - 樣式指南：[Python代碼樣式指南](https://www.python.org/dev/peps/pep-0008/) ( 📚, 🤯 )
+    - 數據模型：[數據模型](https://docs.python.org/3/reference/datamodel.html) ( 📚, 🤯 )
+    - 標準庫：[Python標準庫](https://docs.python.org/3/library/) ( 📚, 🤯 )
+    - 內置函式：[內置函式](https://docs.python.org/3/library/functions.html) ( 📚 )
 2. **語法**
-    - 變數：[內置值](ultimatepython/syntax/variable.py) ( :cake: )
-    - 運算式：[數值運算](ultimatepython/syntax/expression.py) ( :cake: )
-    - 按位: [中的位元運算符](ultimatepython/syntax/bitwise.py) ( :cake: ), [一個的補語/補碼](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( :books: )
-    - 條件運算式：[if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( :cake: )
-    - 迴圈：[for迴圈 | while迴圈](ultimatepython/syntax/loop.py) ( :cake: )
-    - 定義函式：[def | lambda](ultimatepython/syntax/function.py) ( :cake: )
+    - 變數：[內置值](ultimatepython/syntax/variable.py) ( 🍰 )
+    - 運算式：[數值運算](ultimatepython/syntax/expression.py) ( 🍰 )
+    - 按位: [中的位元運算符](ultimatepython/syntax/bitwise.py) ( 🍰 ), [一個的補語/補碼](https://www.geeksforgeeks.org/difference-between-1s-complement-representation-and-2s-complement-representation-technique/) ( 📚 )
+    - 條件運算式：[if | if-else | if-elif-else](ultimatepython/syntax/conditional.py) ( 🍰 )
+    - 迴圈：[for迴圈 | while迴圈](ultimatepython/syntax/loop.py) ( 🍰 )
+    - 定義函式：[def | lambda](ultimatepython/syntax/function.py) ( 🍰 )
 3. **資料結構**
-    - 列表：[列表操作](ultimatepython/data_structures/list.py) ( :cake: )
+    - 列表：[列表操作](ultimatepython/data_structures/list.py) ( 🍰 )
     - 元組：[元組操作](ultimatepython/data_structures/tuple.py)
     - 集合：[集合操作](ultimatepython/data_structures/set.py)
-    - 字典：[字典操作](ultimatepython/data_structures/dict.py) ( :cake: )
+    - 字典：[字典操作](ultimatepython/data_structures/dict.py) ( 🍰 )
     - 綜合：[list | tuple | set | dict](ultimatepython/data_structures/comprehension.py)
-    - 字串：[字串操作](ultimatepython/data_structures/string.py) ( :cake: )
-    - 雙端隊列：[deque](ultimatepython/data_structures/deque.py) ( :exploding_head: )
-    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( :exploding_head: )
-    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( :exploding_head: )
-    - 時間複雜度：[cPython操作](https://wiki.python.org/moin/TimeComplexity) ( :books:, :exploding_head: )
+    - 字串：[字串操作](ultimatepython/data_structures/string.py) ( 🍰 )
+    - 雙端隊列：[deque](ultimatepython/data_structures/deque.py) ( 🤯 )
+    - Namedtuple: [namedtuple](ultimatepython/data_structures/namedtuple.py) ( 🤯 )
+    - Defaultdict: [defaultdict](ultimatepython/data_structures/defaultdict.py) ( 🤯 )
+    - 時間複雜度：[cPython操作](https://wiki.python.org/moin/TimeComplexity) ( 📚, 🤯 )
 4. **類別**
-    - 基本類別：[基本定義](ultimatepython/classes/basic_class.py) ( :cake: )
+    - 基本類別：[基本定義](ultimatepython/classes/basic_class.py) ( 🍰 )
     - 抽象類別：[抽象定義](ultimatepython/classes/abstract_class.py)
     - 異常類別：[異常定義](ultimatepython/classes/exception_class.py)
-    - 迭代類別：[迭代器定義](ultimatepython/classes/iterator_class.py) ( :exploding_head: )
+    - 迭代類別：[迭代器定義](ultimatepython/classes/iterator_class.py) ( 🤯 )
     - 封裝: [封裝定義](ultimatepython/classes/encapsulation.py)
 5. **進階技巧**
-    - 裝飾器：[Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( :exploding_head: )
-    - 文件處理: [File Handling](ultimatepython/advanced/file_handling.py) ( :exploding_head: )
-    - 資源管理器：[Context managers](ultimatepython/advanced/context_manager.py) ( :exploding_head: )
-    - 方法解析順序：[mro](ultimatepython/advanced/mro.py) ( :exploding_head: )
-    - Mixin：[Mixin定義](ultimatepython/advanced/mixin.py) ( :exploding_head: )
-    - 元類：[Metaclass定義](ultimatepython/advanced/meta_class.py) ( :exploding_head: )
-    - 執行緒：[ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( :exploding_head: )
-    - 異步：[async | await](ultimatepython/advanced/async.py) ( :exploding_head: )
-    - 弱引用：[weakref](ultimatepython/advanced/weak_ref.py) ( :exploding_head: )
-    - 基準：[cProfile | pstats](ultimatepython/advanced/benchmark.py) ( :exploding_head: )
-    - 模擬：[MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( :exploding_head: )
-    - 正規表示式：[search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( :exploding_head: )
-    - 數據格式：[json | xml | csv](ultimatepython/advanced/data_format.py) ( :exploding_head: )
-    - 日期時間: [datetime | timezone](ultimatepython/advanced/date_time.py) ( :exploding_head: )
+    - 裝飾器：[Decorator definition | wraps](ultimatepython/advanced/decorator.py) ( 🤯 )
+    - 文件處理: [File Handling](ultimatepython/advanced/file_handling.py) ( 🤯 )
+    - 資源管理器：[Context managers](ultimatepython/advanced/context_manager.py) ( 🤯 )
+    - 方法解析順序：[mro](ultimatepython/advanced/mro.py) ( 🤯 )
+    - Mixin：[Mixin定義](ultimatepython/advanced/mixin.py) ( 🤯 )
+    - 元類：[Metaclass定義](ultimatepython/advanced/meta_class.py) ( 🤯 )
+    - 執行緒：[ThreadPoolExecutor](ultimatepython/advanced/thread.py) ( 🤯 )
+    - 異步：[async | await](ultimatepython/advanced/async.py) ( 🤯 )
+    - 弱引用：[weakref](ultimatepython/advanced/weak_ref.py) ( 🤯 )
+    - 基準：[cProfile | pstats](ultimatepython/advanced/benchmark.py) ( 🤯 )
+    - 模擬：[MagicMock | PropertyMock | patch](ultimatepython/advanced/mocking.py) ( 🤯 )
+    - 正規表示式：[search | findall | match | fullmatch](ultimatepython/advanced/regex.py) ( 🤯 )
+    - 數據格式：[json | xml | csv](ultimatepython/advanced/data_format.py) ( 🤯 )
+    - 日期時間: [datetime | timezone](ultimatepython/advanced/date_time.py) ( 🤯 )
 
 ## 額外資源
 
-:necktie: = 面試資源，
-:test_tube: = 代碼範例，
-:brain: = 項目構想
+👔 = 面試資源，
+🧪 = 代碼範例，
+🧠 = 項目構想
 
 ### GitHub儲存庫
 
 通過閱讀其他備受尊重的資源來繼續學習。
 
-- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( :necktie:, :test_tube: )
-- [faif/python-patterns](https://github.com/faif/python-patterns) ( :necktie:, :test_tube: )
-- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( :test_tube: )
-- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( :test_tube: )
-- [karan/Projects](https://github.com/karan/Projects) ( :brain: )
-- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( :brain: )
+- [TheAlgorithms/Python](https://github.com/TheAlgorithms/Python) ( 👔, 🧪 )
+- [faif/python-patterns](https://github.com/faif/python-patterns) ( 👔, 🧪 )
+- [geekcomputers/Python](https://github.com/geekcomputers/Python) ( 🧪 )
+- [trekhleb/homemade-machine-learning](https://github.com/trekhleb/homemade-machine-learning) ( 🧪 )
+- [karan/Projects](https://github.com/karan/Projects) ( 🧠 )
+- [MunGell/awesome-for-beginners](https://github.com/MunGell/awesome-for-beginners) ( 🧠 )
 - [vinta/awesome-python](https://github.com/vinta/awesome-python)
 - [academic/awesome-datascience](https://github.com/academic/awesome-datascience)
 - [josephmisiti/awesome-machine-learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [ZuzooVn/machine-learning-for-software-engineers](https://github.com/ZuzooVn/machine-learning-for-software-engineers)
-- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( :test_tube: )
+- [30-seconds/30-seconds-of-python](https://github.com/30-seconds/30-seconds-of-python) ( 🧪 )
 - [ml-tooling/best-of-python](https://github.com/ml-tooling/best-of-python)
 - [practical-tutorials/project-based-learning](https://github.com/practical-tutorials/project-based-learning#python)
-- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( :necktie: )
+- [freeCodeCamp/freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp) ( 👔 )
 
 ### 互動練習
 
 繼續練習才能使您的編碼技能不會生疏。
 
 - [DevProjects](https://www.codementor.io/projects/python)
-- [codechef.com](https://www.codechef.com/) ( :necktie: )
+- [codechef.com](https://www.codechef.com/) ( 👔 )
 - [codeforces.com](https://codeforces.com/)
-- [coderbyte.com](https://www.coderbyte.com/) ( :necktie: )
+- [coderbyte.com](https://www.coderbyte.com/) ( 👔 )
 - [codewars.com](https://www.codewars.com/)
 - [exercism.io](https://exercism.io/)
-- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( :necktie: )
+- [geeksforgeeks.org](https://www.geeksforgeeks.org/) ( 👔 )
 - [hackerearth.com](https://www.hackerearth.com/)
-- [hackerrank.com](https://www.hackerrank.com/) ( :necktie: )
-- [kaggle.com](https://www.kaggle.com/) ( :brain: )
-- [leetcode.com](https://leetcode.com/) ( :necktie: )
+- [hackerrank.com](https://www.hackerrank.com/) ( 👔 )
+- [kaggle.com](https://www.kaggle.com/) ( 🧠 )
+- [leetcode.com](https://leetcode.com/) ( 👔 )
 - [projecteuler.net](https://projecteuler.net/)
 - [replit.com](https://replit.com/)
-- [w3schools.com](https://www.w3schools.com/python/) ( :test_tube: )
+- [w3schools.com](https://www.w3schools.com/python/) ( 🧪 )