064turtle作业

1.import turtle

turtle.circle(20)

turtle.circle(30)

turtle.circle(40)

2.

import turtle
>>> turtle.circle(20)
>>> turtle.up()
>>> turtle.goto(0,-20)
>>> turtle.down()
>>> turtle.circle(40)

3.import turtle

turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)

4.

import turtle

turtle.bgcolor(‘red‘)

tuetle.color(‘yellow‘)

turtle.begin_fiil()

turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)
>>> turtle.left(144)
>>> turtle.forward(50)

turtle.end_fiil()