# 导入所需库
from tkinter import *

# 创建Tkinter窗口或框架的实例
win = Tk()

# 设置窗口大小
win.geometry("700x350")

# 创建一个Listbox小部件
lb = Listbox(win, width=100, height=10, font=('Times 13'), selectbackground="black")
lb.pack()

# 定义修改列表框的函数
def save():
   for item in lb.curselection():
      print("您已选择 " + str(item + 1))

# 向Listbox添加项目
lb.insert("end", "A", "B", "C", "D", "E", "F")

# 添加按钮以编辑和删除Listbox项目
Button(win, text="保存", command=save).pack()

win.mainloop()

您已选择 3