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["background"] = "green"
self.button1.pack()
self.button2 = Button(self.myContainer1)
self.button2.configure(text="AAA")
self.button2.configure(background="tan")
self.button2.pack()
self.button3 = Button(self.myContainer1)
self.button3.configure(text="BBB", background="cyan")
self.button3.pack()
self.button4 = Button(self.myContainer1, text="Goodbye!", background="red")
self.button4.pack()
root = Tk()
myapp = MyApp(root)
root.mainloop()