turtle库基础练习

1、画一组同切圆

import turtle
turtle.circle(30)
turtle.circle(60)
turtle.circle(90)
turtle.circle(120)

2、画一组同心圆

import turtle

turtle.circle(20)
turtle.up()
turtle.goto(0,-30)
turtle.down()
turtle.circle(40)
turtle.up()
turtle.goto(0,-60)
turtle.down()
turtle.circle(80)
turtle.up()
turtle.goto(0,-90)
turtle.down()
turtle.circle(110)

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

import turtleturtle.color('yellow') turtle.fillcolor('yellow')
turtle.bgcolor('red')
turtle.begin_fill()
for i in range(5):
turtle.forward(100)
turtle.right(144)turtle.end_fill