turtle基础练习

同切圆

>>> import turtle
>>> turtle.circle(50)
>>> turtle.circle(70)

同心圆

import turtle

>>> turtle.circle(100)
>>> turtle.up()
>>> turtle.goto(0,-100)
>>> turtle.down()
>>> turtle.circle(200)

五角星

import turtle

>>> turtle.forward(90)
>>> turtle.right(144)
>>> turtle.forward(90)
>>> turtle.right(144)
>>> turtle.forward(90)
>>> turtle.right(144)
>>> turtle.forward(90)
>>> turtle.right(144)
>>> turtle.forward(90)

 黄色的五角星

import turtle
turtle.color('yellow')
turtle.begin_fill()
turtle.fillcolor('yellow')
turtle.forward(90)
turtle.right(144)
turtle.forward(90)
turtle.right(144)
turtle.forward(90)
turtle.right(144)
turtle.forward(90)
turtle.right(144)
turtle.forward(90)

turtle.end_fill()