turtle库基础练习

1、画一组同切圆

import turtle
turtle.shape('turtle')
turtle.circle(10)
turtle.circle(30)
turtle.circle(50)
turtle.circle(70)

2、画一组同心圆

 

import turtle
turtle.shape('turtle')
turtle.circle(10)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(30)
turtle.up()
turtle.goto(0,-40)
turtle.down()
turtle.circle(50)
turtle.up()
turtle.goto(0,-60)
turtle.down()
turtle.circle(70)

3、画一个五角星

import turtle
turtle.shape('turtle')
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)

4、画一个黄色实心五角星

import turtle
turtle.bgcolor('red')
turtle.color('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()

turtle.shape('turtle')
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()