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turtle 庫基礎練習

同心圓 () col fill tle 基礎練習 bsp for goto

1、畫一組同切圓

>>> turtle.circle(10)
>>> turtle.circle(20)
>>> turtle.circle(30)
>>> turtle.circle(40)

2、畫一組同心圓

r=0
while(r<120):
turtle.up()
turtle.goto(0,-40-r)
turtle.down()
turtle.circle(40+r)
r=r+40

3、畫一個五角星

>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)

4、畫一個黃色實心五角星

turtle.bgcolor("red")
>>> turtle.fillcolor("yellow")
>>> turtle.begin_fill()
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.left(144)
>>> turtle.forward(300)
>>> turtle.end_fill()

turtle 庫基礎練習