from Tkinter import *

# note that there is no explicit call to start Tk.

# Tkinter is smart enough to start the system if it's not already going.

class Test(Frame):

    def printit(self):

        print "hi"

    def createWidgets(self):

        self.QUIT = Button(self, text='QUIT', foreground='red',

                           command=self.quit)

        self.QUIT.pack(side=LEFT, fill=BOTH)

        # a hello button

        self.hi_there = Button(self, text='Hello',

                               command=self.printit)

        self.hi_there.pack(side=LEFT)

    def __init__(self, master=None):

        Frame.__init__(self, master)

        Pack.config(self)

        self.createWidgets()

test = Test()

test.mainloop()