tuple and list, and str concat.py

import time
from tqdm import tqdm


time_for_assing = []
time_for_not_ass = []
time_for_tuple = []
n = 250000

for _ in tqdm(range(100)):
    # assign
    start = time.time()
    a = ('a '*n).split()
    for _ in a:
        pass
    time_for_assing.append(time.time()-start)

    # no assign
    start = time.time()
    for _ in ('a '*n).split():
        pass
    time_for_not_ass.append(time.time()-start)

    # tuple
    start = time.time()
    for _ in tuple(('a '*n).split()):
        pass
    time_for_tuple.append(time.time()-start)
    
print('assigning test Starts...')
print(f'avg time_for_assing: {sum(time_for_assing)/len(time_for_assing)}')
print(f'avg time_for_not_ass: {sum(time_for_not_ass)/len(time_for_not_ass)}')
print(f'avg time_for_tuple: {sum(time_for_tuple)/len(time_for_tuple)}')
print('assigning test Ends...\n')


# purely test the difference btw list and tuple
time_for_t = []
time_for_l = []
n = 100000

for _ in tqdm(range(1000)):
    start = time.time()
    for i in tuple(range(n)):
        pass
    time_for_t.append(time.time()-start)

    start = time.time()
    for i in list(range(n)):
        pass
    time_for_l.append(time.time()-start)

print('purely test the difference btw list and tuple Starts...')
print(f'avg time_for_tuple: {sum(time_for_t)/len(time_for_t)}')
print(f'avg time_for_list: {sum(time_for_l)/len(time_for_l)}')
print('purely test the difference btw list and tuple Ends...\n')


# test different way to concat the str in python
time_for_t = []
time_for_l = []
n = 3000000
s = 'a'*n

for _ in tqdm(range(100)):
    start = time.time()
    tmp = ''
    for ss in s:
        tmp += ss
    time_for_t.append(time.time()-start)

    start = time.time()
    s_list = []
    for ss in s:
        s_list.append(ss)
    s_list = ''.join(s_list)
    time_for_l.append(time.time()-start)

print('test different way to concat the str in python Starts...')
print(f'avg time_for_t: {sum(time_for_t)/len(time_for_t)}')
print(f'avg time_for_l: {sum(time_for_l)/len(time_for_l)}')
print('test different way to concat the str in python Ends...')