python之 loading进度条加载，和倒计时

import time
print('==========Loading==========')
for i in range(0,101):
    print('\r',f'当前进度{i}%',end='',flush=True)
    time.sleep(0.1)


print('==========上课倒计时==========')
for i in range(100,-1,-1):
    print('\r',f'上课倒计时{i}秒',end='',flush=True)
    time.sleep(1)