from Tkinter import *

def greeting():
    print 'hello'

win = Frame()
win.pack(side=TOP,expand=YES, fill=BOTH)

Button(win,text='Hello', command=greeting).pack(side=LEFT,anchor=N)
Label(win,text='Hello containter World ......!').pack(side=TOP)
Button(win,text='QUIT', command=win.quit).pack(side=RIGHT,expand=YES,fill=X)
win.mainloop()