Python程序 Flora

import turtle
window=turtle.Screen()
babbage=turtle.Turtle()
babbage.color("green","black")
babbage.left(90)
babbage.forward(100)
babbage.right(90)
babbage.color("black","black")
babbage.begin_fill()
babbage.circle(10)
babbage.end_fill()
for i in range(1,24):
    if babbage.color()==("red","black"):
        babbage.color("orange","black")
    elif babbage.color()==("orange","black"):
        babbage.color("yellow","black")
    else:
        babbage.color("red","black")
    babbage.left(15)
    babbage.forward(50)
    babbage.left(157)
    babbage.forward(50)
babbage.hideturtle()
window.exitonclick()