实验8

from turtle import *

def square(size=50, c='pink'):

    pencolor(c)
    for i in range(4):
        fd(size)
        left(90)


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

    n = 10
    for i in range(n):
        square(80)
        left(360/n)

    hideturtle()
    done()


if __name__ == '__main__':
    main()

from turtle import *

setup(800, 600)
pencolor('pink')
n = 10
speed(0)

for i in range(n):

     for j in range(2):
         circle(80, 90)
         left(90)
     right(360/n)

hideturtle()
done()

from turtle import *
setup(800, 600)
bgcolor('black')
pencolor('white')
speed(0)
angle = 0
size = 2
n = 10
for i in range(n):
    for j in range(4):
        fd(size)
        angle += 72
        seth(angle)
        size += 5
hideturtle()
done()

from turtle import *
from random import random
setup(800, 600)
speed(0)

def mod(w, h, c):
    fillcolor(c)
    for i in range(1, 5):
        if i % 2 == 1:
            d = w
        else:
            d = h
        fd(d)
        left(90)
def moveto(x, y):
    penup()
    goto(x, y)
    pendown()

for i in range(10):
    moveto(20 * i, 0)
    c= tuple(random() for i in range(3))
    begin_fill()
    mod(20, 50, c)
    end_fill()
for i in range(10):
    moveto(-20 * i, 0)
    c= tuple(random() for i in range(3))
    begin_fill()
    mod(20, 50, c)
    end_fill()

hideturtle()
done()