a.五角星

import turtle

turtle.color('yellow')

turtle.begin_fill()

for i in range(5):

turtle.forward(100)

turtle.right(144)

turtle.end_fill()

b.同心圆

import turtle

for i in range(5):

turtle.up()

turtle.goto(0,-20*(i+1))

turtle.down()

turtle.circle(20*(i+1))

 c.太阳花

from turtle import*

speed(40)

color('red','yellow')

begin_fill()

while True:

forward(300)

left(179)

if(abs(pos()))<1:

break

end_fill()

done()

d.五个五角星

import turtle

turtle.setup(600,400,0,0)

turtle.color('yellow')

turtle.bgcolor('red')

turtle.fillcolor('yellow')

def my_goto(x,y):

turtle.up()

turtle.goto(x,y)

turtle.down()

def my_draw5(r):

turtle.begin_fill()

for i in range(5):

turtle.forward(r)

turtle.right(144)

turtle.end_fill()

my_goto(-360,190)

my_draw5(100)

my_goto(-155,240)

my_draw5(50)

my_goto(-90,165)

my_draw5(50)

my_goto(-75,85)

my_draw5(50)

my_goto(-120,50)

my_draw5(50)

e.画菱形太阳花

import turtle

def draw_center(brad):

brad.forward(125)

brad.right(45)

brad.forward(100)

brad.right(135)

def draw_flower():

window=turtle.Screen()

window.bgcolor('blue')

brad=turtle.Turtle()

brad.color('yellow')

brad.speed(20)

for i in range(1,18):

draw_center(brad)

draw_center(brad)

brad.left(20)

brad.right(70)

brad.forward(325)

window.exitonclick()

draw_flower()

turtle.hideturtle()