turtle库基础练习

1.画一组同切圆

import turtle
turtle.shape(‘turtle‘)
turtle.circle(20)
turtle.circle(40)
turtle.circle(60)
turtle.circle(80)

2.画一组同心圆

import turtle
turtle.shape(‘turtle‘)
turtle.pos()
(0.00,0.00)
turtle.circle(20)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(40)

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)

turtle.hideturtle()

4.画一个黄色实心五角星

import turtle
turtle.shape(‘turtle‘)
turtle.color(‘yellow‘)
turtle.bgcolor(‘red‘)
turtle.fillcolor(‘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.hideturtle()

5.画左上角的五颗五角星

import turtle
turtle.color(‘yellow‘)
turtle.bgcolor(‘red‘)

turtle.up()
turtle.goto(-360,190)
turtle.down()
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.forward(160)
turtle.right(144)
turtle.forward(160)
turtle.right(144)
turtle.forward(160)
turtle.right(144)
turtle.forward(160)
turtle.right(144)
turtle.forward(160)
turtle.right(144)
turtle.end_fill()

turtle.pos()
turtle.up()
turtle.goto(-50,300)
turtle.down()
turtle.begin_fill()
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.pos()
turtle.up()
turtle.goto(-5,230)
turtle.down()
turtle.begin_fill()
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.pos()
turtle.up()
turtle.goto(-5,130)
turtle.down()
turtle.begin_fill()
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.pos()
turtle.up()
turtle.goto(-85,30)
turtle.down()
turtle.begin_fill()
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()