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.hideturtle()

 截图：

 

2.画一组同心圆

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

截图：

        

3.画一个五角星

import 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.right(144)
turtle.hideturtle()

截图：

        

4.画一个黄色实心五角星

import turtle
turtle.color("yellow")
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.right(144)
turtle.end_fill()
turtle.hideturtle()

截图：

       

5.画左上角的五颗五角星

import turtle
turtle.pos()
turtle.up()
turtle.goto(-625,250)
turtle.down()
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.up()
turtle.goto(-450,300)
turtle.down()
turtle.color('yellow')
turtle.bgcolor('red')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.end_fill()
turtle.up()
turtle.goto(-425,275)
turtle.down()
turtle.color('yellow')
turtle.bgcolor('red')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.end_fill()
turtle.up()
turtle.goto(-445,175)
turtle.down()
turtle.color('yellow')
turtle.bgcolor('red')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.end_fill()
turtle.up()
turtle.goto(-475,145)
turtle.down()
turtle.color('yellow')
turtle.bgcolor('red')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.right(144)
turtle.forward(35)
turtle.end_fill()
turtle.hideturtle()

截图：