伪进度条

import time
print('------执行开始------')
for i in range(0, 101, 2):
  time.sleep(0.1)
  num = i // 2
  if i == 100:
    process = "\r%3s%%: [%-50s->]\n" % (i, '*' * num)
  else:
    process = "\r%3s%%: [%-50s->]\n" % (i, '*' * num)
  print(process, end='', flush=True)
print("------执行结束------")

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