name : packer-simple.py from Tkinter import * class Test(Frame): def printit(self): print self.hi_there["command"] def createWidgets(self): # a hello button self.QUIT = Button(self, text='QUIT', foreground='red', command=self.quit) self.QUIT.pack(side=LEFT, fill=BOTH) self.hi_there = Button(self, text='Hello', command=self.printit) self.hi_there.pack(side=LEFT) # note how Packer defaults to side=TOP self.guy2 = Button(self, text='button 2') self.guy2.pack() self.guy3 = Button(self, text='button 3') self.guy3.pack() def __init__(self, master=None): Frame.__init__(self, master) Pack.config(self) self.createWidgets() test = Test() test.mainloop()