name : canvas-demo-simple.py from Tkinter import * # this program creates a canvas and puts a single polygon on the canvas class Test(Frame): def printit(self): print "hi" def createWidgets(self): self.QUIT = Button(self, text='QUIT', foreground='red', command=self.quit) self.QUIT.pack(side=BOTTOM, fill=BOTH) self.draw = Canvas(self, width="5i", height="5i") # see the other demos for other ways of specifying coords for a polygon self.draw.create_rectangle(0, 0, "3i", "3i", fill="black") self.draw.pack(side=LEFT) def __init__(self, master=None): Frame.__init__(self, master) Pack.config(self) self.createWidgets() test = Test() test.mainloop()