python小程序实现倒计时
import tkinter as tk
def count_down(count):
label['text'] = count
if count > 0:
# 每秒更新一次计数器
root.after(1000, count_down, count-1)
else:
label['text'] = "倒计时结束!"
root = tk.Tk()
root.title("倒计时")
label = tk.Label(root, font=('Helvetica', 48))
label.pack(padx=20, pady=20)
# 设置倒计时时间
count_down(10)
root.mainloop()