turtle库基础练习

1、画一组同切圆

import turtle
turtle.circle(15)
turtle.circle(25)
turtle.circle(35)

2、画一组同心圆

import turtle
turtle.pos()
(-0.00,0.00)
turtle.up()
turtle.goto(0,-25)
turtle.down()
turtle.circle(25)
turtle.up()
turtle.goto(0,-45)
turtle.down()
turtle.circle(45)
turtle.up()
turtle.goto(0,-65)
turtle.down()
turtle.circle(65)

3、画一个五角星

import turtle

turtle.shape ('turtle')

turtle.forward(155)
turtle.right (145)
turtle.forward(155)
turtle.right (145)
turtle.forward(155)
turtle.right (145)
turtle.forward(155)
turtle.right (145)
turtle.forward(155)

turtle.hideturtle()
turtle.done()

4、画一个黄色实心五角星

import turtle
turtle.color('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(10)
turtle.right(12)
turtle.forward(10)
turtle.right(12)
turtle.forward(10)
turtle.right(12)
turtle.forward(10)
turtle.right(12)
turtle.forward(10)
turtle.right(12)
turtle.end_fill()

5、画左上角的五颗五角星

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

turtle.begin_fill()
turtle.up()
turtle.goto(-550,200)
turtle.down()
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.right(144)
turtle.end_fill()

turtle.begin_fill()
turtle.up()
turtle.goto(-350,300)
turtle.down()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.end_fill()

turtle.begin_fill()
turtle.up()
turtle.goto(-300,250)
turtle.down()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.end_fill()

turtle.begin_fill()
turtle.up()
turtle.goto(-300,180)
turtle.down()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.end_fill()

turtle.begin_fill()
turtle.up()
turtle.goto(-350,100)
turtle.down()
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.end_fill()

turtle.hideturtle()