实验六

from turtle import *
from random import random
def square(size=50, rgb = tuple(random() for i in range(3))):
    pencolor(rgb)
    for i in range(4):
        fd(size)
        left(90)
def main():
    setup(800, 600)
    speed(0)
    for i in range(20):
        square(80)
        left(0)
    hideturtle()
    done()
if __name__ == '__main__':
    main=()

　　

from turtle import * speed(0) setup(800, 600) bgcolor('black') pencolor('white') angle = 0 size = 2 for i in range(8): for j in range(4): fd(size) angle += 72 seth(angle) size += 5 hideturtle() done()

　　

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 * 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()