在tkinter OptionMenu中的所选项目旁边添加复选标记

import tkinter as tk

def on_checkbox_change():
    if checkbox_var.get():
        print("复选框已选中")
    else:
        print("复选框未选中")

root = tk.Tk()

option_var = tk.StringVar(root)
option_var.set("选项1")
option_menu = tk.OptionMenu(root, option_var, "选项1", "选项2", "选项3")
option_menu.grid(row=0, column=0)

checkbox_var = tk.BooleanVar(root)
checkbox = tk.Checkbutton(root, text="复选标记", variable=checkbox_var, command=on_checkbox_change)
checkbox.grid(row=0, column=1)

root.mainloop()