from Tkinter import *
class MyApp:
def __init__(self, parent):
self.myContainer1 = Frame(parent)
self.myContainer1.pack()
self.button1 = Button(self.myContainer1)
self.button1["text"]= "Hello, World!"
self.button1.pack(side=LEFT)
self.button2 = Button(self.myContainer1)
self.button2.configure(text="Off to join the circus!")
self.button2.pack(side=LEFT)
self.button3 = Button(self.myContainer1)
self.button3.configure(text="Join me?")
self.button3.pack(side=LEFT)
self.button4 = Button(self.myContainer1, text="Goodbye!")
self.button4.pack(side=LEFT)
root = Tk()
myapp = MyApp(root)
root.mainloop()