turtle库基础练习

1.画一组同切圆

>>> import turtle
>>> turtle.circle(60)
>>> turtle.circle(50)

2.画一组同心圆

>>>import turtle
>>> turtle.circle(120)

>>> turtle.shape('turtle')

>>> turtle.up()
>>> turtle.goto(0,30)
>>> turtle.down()
>>> turtle.circle(90)

3.画一个五角星

>>> turtle.reset()
>>> import turtle
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)

4.画一个黄色实心五角星

>>> turtle.reset()
>>> import turtle

>>> turtle.color('yellow')
>>> turtle.fillcolor('yellow')
>>> turtle.begin_fill()

>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)
>>> turtle.left(144)
>>> turtle.forward(100)

>>> turtle.end_fill()