turtle库基础练习

1.画一组同切圆

>>> turtle.circle(10)
>>> turtle.circle(20)
>>> turtle.circle(30)
>>> turtle.circle(40)
>>> turtle.circle(50)

2.画一组同心圆

>>> import turtle
>>> turtle.circle(5)
>>> turtle.up()
>>> turtle.goto(0,-10)
>>> turtle.down()
>>> turtle.circle(15)
>>> turtle.up()
>>> turtle.goto(0,-20)
>>> turtle.down()
>>> turtle.circle(25)
>>> turtle.up()
>>> turtle.goto(0,-30)
>>> turtle.down()
>>>turtle.circle(35)

3.画一个五角星

>>> 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

>>> turtle.color('yellow')
>>> turtle.fillcolor('yellow')
>>> turtle.bgcolor('red')
>>> 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.color('yellow')
turtle.fillcolor('yellow')
turtle.bgcolor('red')
turtle.up()
turtle.goto(-700,250)
turtle.down()
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(-500,300)
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.down()
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.end_fill()
turtle.up()
turtle.goto(-450,280)
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.down()
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.end_fill()
turtle.up()
turtle.goto(-450,180)
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.down()
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.end_fill()
turtle.up()
turtle.goto(-480,120)
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.down()
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.right(144)
turtle.forward(30)
turtle.end_fill()