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(4):
        fd(size)
        angle += 72
        seth(angle)
        size += 5
hideturtle()
done()

from turtle import *
import random
setup(800, 600)
def moveto(x=20):
    penup()
    fd(x)
    pendown()
def square(y=20):
    for i in range(2):
        fd(20)
        left(90)
        fd(40)
        left(90)
moveto(-200)
for i in range(20):
    rgb = tuple(random.random() for i in range(3))
    fillcolor(rgb)
    begin_fill()
    square()
    end_fill()
    moveto()
done()