实验六

from turtle import *
def square(size=50, rgb='orange'):
    pencolor(rgb)
    for i in range(4):
        fd(size)
        left(90)

def main():
    setup(800,600)
    speed(0)

    for i in range(10):
        square(80)
        left(36)

    hideturtle()
    done()
if __name__=='__main__':
    main()

from turtle import*

setup(800,600)
pencolor('pink')

for i in range(10):
    for i in range(2):
        circle(80,90)
        left(90)

    right(36)

hideturtle()
done()

from turtle import *

speed(0)
setup(800,600)
bgcolor('black')
pencolor('white')

angle=0
size=2

for i in range(10):
    for j in range(5):
        fd(size)
        angle += 72
        seth(angle)
        size+=5

hideturtle()
done()

from turtle import*
from random import random
def square():
    for i in range(2):
        fd(10)
        left(90)
        fd(20)
        left(90)

setup(800,600)
penup()
left(180)
fd(100)
left(180)
pendown()
for j in range(20):
    rgb=tuple(random() for m in range(3))
    color(rgb)
    begin_fill()
    square()
    end_fill()
    square()
    fd(10)

done()