Basic Python GUI

pygui.py

#!/usr/bin/env python

from Tkinter import *
import tkMessageBox
from datetime import datetime

pressed = 0


def helloCallBack():
    global pressed
    pressed += 1
    tkMessageBox.showinfo("Hello Python", "its %ssand you pressed me %i times" % (str(datetime.now()), pressed))

root = Tk()

helloButton = Button(root, text="Hello", width=60, command=helloCallBack)
quitButton = Button(root, text="Quit", width=60, command=quit)

helloButton.pack()
quitButton.pack()

root.mainloop()