Listbox Widget

 listbox.py

#!/usr/bin/env python3

from tkinter import *

root = Tk()

root.title("ListBox")

root.geometry("400x400+10+100")

#create frame and scrollbar

my_frame = Frame(root)

my_scrollbar = Scrollbar(my_frame, orient=VERTICAL)

#Listbox!

# SINGLE, BROWSE, MULTIPLE, EXTENDED

my_listbox = Listbox(my_frame,height=5, yscrollcommand = my_scrollbar.set, selectmode=MULTIPLE)

my_scrollbar.config(command=my_listbox.yview)

my_scrollbar.pack(side=RIGHT, fill=Y)

my_frame.pack()

my_listbox.pack(pady=15)

#add item to ListBox

my_listbox.insert(END,"Item#1")

my_listbox.insert(END,"Item#2")

my_listbox.insert(0,"Item#3")

#add list of itmes

my_list = ["One", "Two", "Three","One", "Two", "Three","One", "Two", "Three"]

for item in my_list:

    my_listbox.insert(END, item)

my_listbox.insert(3,"New Item")

def delete():

    my_listbox.delete(ANCHOR)

    my_label.config(text="")

def delete_all():

    my_listbox.delete(0,END)

    my_label.config(text="")

def select():

    my_label.config(text=my_listbox.get(ANCHOR))

def select_all():

    result = ""

    for item in my_listbox.curselection():

        result = result + str(my_listbox.get(item)) + '\n'

    my_label.config(text=result)

def delete_multiple():

    for item in reversed(my_listbox.curselection()):

        my_listbox.delete(item)

        my_label.config(text="")

my_button = Button(root, text="Delete", command=delete)

#my_button.pack(pady=5)

my_button2 = Button(root, text="Select", command=select)

#my_button2.pack(pady=5)

global my_label

my_label=Label(root,text="")

my_label.pack(pady=5)

my_button3 = Button(root, text="Delete All", command=delete_all)

my_button3.pack(pady=5)

my_button4 = Button(root, text="Select All", command=select_all)

my_button4.pack(pady=5)

my_button5 = Button(root, text="Delete Multiple", command=delete_multiple)

my_button5.pack(pady=5)

root.mainloop()