turtle库基础练习

1.画一组同切圆

import turtle

turtle.circle(10)

turtle.circle(20)

turtle.circle(30)

turtle.circle(40)

turtle.circle(50)

turtle.reset()

2.画一组同心圆

import turtle
turtle.circle(10)
turtle.up()
turtle.goto(0,-10)
turtle.down()
turtle.circle(20)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(30)
turtle.up()
turtle.goto(0,-30)
turtle.down()
turtle.circle(40)
turtle.up()
turtle.goto(0,-40)
turtle.down()
turtle.circle(50)
turtle.shape('turtle')
turtle.reset()

3.画一个五角星

turtle.forward(100)

turtle.right(144)

turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.right(144)
turtle.forward(100)
turtle.reset()

4.画一个黄色实心五角星

turtle.color('yellow')

turtle.begin_fill()

turtle.forward(100)

turtle.right(144)

turtle.forward(100)

turtle.right(144)

turtle.forward(100)

turtle.right(144)

turtle.forward(100)

turtle.right(144)

turtle.forward(100)

turtle.end_fill()

turtle.reset()