1.画五角星

import turtle

for i in range(5):

    turtle.forward(100)

    turtle.right(144)

2.画同心圆

import turtle

for i in range(5):

    turtle.circle((i+1)*10)

    turtle.up()

    turtle.goto(0,-(i+1)*10)

    turtle.down()

3.画个太阳花

from turtle import*

color('red')

fillcolor('blue')

begin_fill()

while True:

    forward(200)

    left(170)

    if(abs(pos()))<1:

        break

end_fill()

done()

4.画五个角星

import turtle

turtle.color('yellow')

turtle.bgcolor('red')

turtle.fillcolor('yellow')

def mygoto(x,y):

turtle.up()

turtle.goto(x,y)

turtle.down()

def ye(r):

turtle.begin_fill()

for i in range(5):

turtle.forward(r)

turtle.right(144)

turtle.end_fill()

mygoto(-320,250)

ye(100)

mygoto(-160,300)

ye(25)

mygoto(-110,250)

ye(25)

mygoto(-110,190)

ye(25)

mygoto(-160,140)

ye(25)