# View more python learning tutorial on my Youtube and Youku channel!!!

# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg

# Youku video tutorial: http://i.youku.com/pythontutorial

import tkinter as tk

window = tk.Tk()

window.title('my window')

window.geometry('200x100')

var = tk.StringVar()

l = tk.Label(window, textvariable=var, bg='green', font=('Arial', 12), width=15,

height=2)

#l = tk.Label(window, text='OMG! this is TK!', bg='green', font=('Arial', 12), width=15, height=2)

l.pack()

on_hit = False

def hit_me():

global on_hit

if on_hit == False:

on_hit = True

var.set('you hit me')

else:

on_hit = False

var.set('')

b = tk.Button(window, text='hit me', width=15,

height=2, command=hit_me)

b.pack()

window.mainloop()