如何在tkinter中为我的重试按钮添加功能？

import tkinter as tk

def retry_function():
    # 添加重试按钮的功能代码
    pass

window = tk.Tk()

retry_button = tk.Button(window, text="重试", command=retry_function)
retry_button.pack()

window.mainloop()

def retry_function():
    # 添加重试按钮的功能代码
    import tkinter.messagebox as messagebox
    messagebox.showinfo("提示", "重试按钮被点击！")