python计时器功能

# python中的计时器功能
import time
import winsound

a = 5
while a > 0:
    print(a)
    a = a - 1
    time.sleep(1)
print('结束啦')
frequency = 2500  # 设置赫兹
duration = 3000  # 设置毫秒
winsound.Beep(frequency, duration)

运行结果

5
4
3
2
1
结束啦

Process finished with exit code 0