Tkinker Python Tutorial

from Tkinter  import *
class HelloPackage:                         
    def __init__(self, parent=None):
        self.top = Frame(parent)            
        self.top.pack()
        self.data = 0
        self.make_widgets()                 
    def make_widgets(self):
        Button(self.top, text='Bye', command=self.top.quit).pack(side=LEFT)
        Button(self.top, text='Hye', command=self.message).pack(side=RIGHT)
    def message(self):
        self.data += 5
        print self.data
     
class HelloPackage(HelloPackage): 
    def __getattr__(self, name):
        return getattr(self.top, name)  
     
HelloPackage().top.mainloop()