Tom&Jerry

import turtle
import time
import random

def up():

jerry.setheading(90)
jerry.forward(20)

def down():

jerry.setheading(270)
jerry.forward(20)

def left():

jerry.setheading(180)
jerry.forward(20)

def right():

jerry.setheading(0)
jerry.forward(20)

playground = turtle.Screen()
playground.register_shape('tom.gif')
playground.register_shape('jerry.gif')
playground.onkey(up, 'Up')
playground.onkey(down, 'Down')
playground.onkey(left, 'Left')

Tom&Jerry最先出现在Python成神之路。