turtle库基础练习

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1、画一组同切圆

>>> import turtle
>>> turtle.circle(10)
>>> turtle.circle(30)
>>> turtle.circle(50)
>>> turtle.circle(70)
>>> turtle.circle(90)
>>> turtle.circle(110)

2、画一组同心圆

>>> turtle.circle(130)
>>> turtle.up()
>>> turtle.goto(0,50)
>>> turtle.down()
>>> turtle.circle(80)

3、画一个五角星

>>> import turtle
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)

4、画一个黄色实心五角星

>>> turtle.color('yellow')
>>> turtle.fillcolor('yellow')
>>> turtle.begin_fill()
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.end_fill()