python 倒计时

Python中可以使用time模块来实现简单的倒计时。以下是几个例子供您参考:

例子1:

import time

task_time = int(input('请输入倒计时时间（分钟）：'))
start_time = time.strftime('%H:%M:%S',time.localtime()) 
print('开始时间：', start_time)

for i in range(1,task_time*60): 
    print('剩余时间：%i秒' %(task_time*60 - i)) 
    time.sleep(1)

final_time = time.strftime('%H:%M:%S',time.localtime()) 
print('结束时间：', final_time)

例子2:

import time

minutes = 2
flag = True

while flag:
    for minute in range(minutes, -1, -1):
        if minute == 0:
            flag = False
            break
        for second in range(59, -1, -1):
            time.sleep(1)
            print(f"{minute - 1:02}:{second:02}")

例子3:

import sys
import time

times = int(input("请输入倒计时的时间（分钟）："))
times *= 60
leave = 0

while leave < times:
    leave = 1
    min, sec = divmod(times-leave, 60)
    leave_time = str(min) + '分' + str(sec) + '秒'
    sys.stdout.write('\r')
    sys.stdout.write('剩余时间：{}'.format(leave_time))
    sys.stdout.flush()
    time.sleep(1)

这些例子展示了不同的方式来实现Python中的倒计时功能，可以根据自己的需求选择适合的方法来使用。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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