import turtle
1、画一组同切圆
turtle.circle(20)
turtle.circle(50)
turtle.circle(80)
turtle.circle(110)
2、画一组同心圆
turtle.up()
turtle.goto(0,-10)
turtle.down()
turtle.circle(10)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(20)
turtle.up()
turtle.goto(0,-30)
turtle.down()
turtle.circle(30)
3、画一个五角星
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.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()