turtle库基础练习

1、

import turtle

turtle.circle(10)

turtle.circle(20)

tuitle circle(30)

2、

turtle.circle(20)

turtle.up()

turtle.goto(0,-15)

turtle.down()

turtle.circle(35)

3、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.right(144)

4、

>>> 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.end_fill()