turtle库基础练习

1.画一组同切圆

>>> import turtle
>>> turtle.circle(20)
>>> turtle.circle(40)
>>> turtle.circle(60)
>>> turtle.circle(80)
>>> turtle.circle(100)

2.画一组同心圆

import turtle
turtle.pos()
(0.00,0.00)
turtle.up()
turtle.goto(0,-100)
turtle.circle(100)
turtle.down()
turtle.circle(100)
turtle.up()
turtle.goto(0,-80)
turtle.down()
turtle.circle(80)
turtle.up()
turtle.goto(0,-60)
turtle.down()
turtle.circle(60)
turtle.up()
turtle.goto(0,-40)
turtle.down()
turtle.circle(40)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(20)
turtle.up()
turtle.goto(0,0)
turtle.down()
turtle.circle(0) 

　　

3.画一个五角星

import turtle
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)

4.画一个黄色实心五角星

import turtle
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()

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.speed(10)

turtle.up()
turtle.goto(-330,170)
turtle.down()
turtle.begin_fill()
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.end_fill()

turtle.up()
turtle.goto(-180,220)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
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.end_fill()

turtle.up()
turtle.goto(-130,200)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
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.end_fill()

turtle.up()
turtle.goto(-130,130)
turtle.down()
turtle.begin_fill()
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.forward(50)
turtle.end_fill()

turtle.up()
turtle.goto(-180,30)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
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.end_fill()

turtle.hideturtle()
turtle.done()