Python打印进度条

import sys
import time

for i in range(100):
    print('*', end='')
    sys.stdout.flush()
    time.sleep(.5)

sys.stdout 缓冲默认在换行时刷新，这里需要手动刷新

当然有更好的方式，使用tqdm: python进度条库

tqdm means “progress” in Arabic (taqadum, تقدّم) and is an abbreviation for “I love you so much” in Spanish (te quiero demasiado)

import time
from tqdm import tqdm
# 接收任意可迭代对象
for i in tqdm(range(1000)): 
    time.sleep(.01) 

53%|██████████████████████████████████████████████▋                                         | 530/1000 [00:06<00:05, 87.84it/s]