"""
    Simple animation example with Python and TKinter
"""
def hyppa(event):
   #canvas.move(ovaal, event.x, event.y)
   canvas.coords(ovaal, event.x, event.y, event.x+10, event.y+10)

import time
from tkinter import *
window = Tk()
canvas = Canvas(window, width=400, height=300, bg='white')
canvas.pack()
x = 0
y = 10
r = 30
vx = 10.0
vy = 5.0     
ovaal=canvas.create_oval(x, y, x+r, y+r, fill="blue")
#canvas.bind("<Button-1>", hyppa)
canvas.tag_bind(ovaal, "<Button-1>", hyppa)
window.mainloop()