Flutter is not a language, rather an SDK just like Android SDKб but Dart is the official programming language. Let's write 100,000 lines of code for strong junior level!
However, PRs with the fixes or proposals are welcomed!
The task is to implement functions on different Core Dart topics. There are eight modules with different tasks. Each module consists of tasks for specified topic:
Strings Numbers Arrays Date Objects Streams Conditions and Loops Functions and Closures