Turtle race

from turtle import *

tom = Turtle()
jerry = Turtle()

tom.color("green")
jerry.color("blue")

tom.shape("square")
jerry.shape("circle")

tom.penup()
tom.goto(-250, 100)
tom.pendown()
jerry.penup()
jerry.goto(-250, -100)
jerry.pendown()

finish_line = Turtle()
finish_line.penup()
finish_line.goto(250, 150)
finish_line.pendown()
finish_line.goto(250, -150)


tom_score = 0
jerry_score = 0

from random import randrange

while tom_score < 500 and jerry_score < 500:
    t = randrange(10, 40)
    j = randrange(10, 40)

    tom.forward(t)
    tom_score = tom_score + t

    jerry.forward(j)
    jerry_score = jerry_score + j

done()