tdemo_wikipedia.py 文件源码

def main():
    s = Screen()
    s.bgcolor("black")
    p=Turtle()
    p.speed(0)
    p.hideturtle()
    p.pencolor("red")
    p.pensize(3)

    s.tracer(36,0)

    at = clock()
    mn_eck(p, 36, 19)
    et = clock()
    z1 = et-at

    sleep(1)

    at = clock()
    while any([t.undobufferentries() for t in s.turtles()]):
        for t in s.turtles():
            t.undo()
    et = clock()
    return "Laufzeit: %.3f sec" % (z1+et-at)