实验8

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(10)
    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
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=8
for i in range(n):
    for j in range(5):
        fd(size)
        angle+=72
        seth(angle)
        size+=5
hideturtle()
done()

from turtle import *
from random import random
setup(800,600)
speed(0)
penup()
goto(-300,0)
pendown()
def rect(x,y,rgb=''):
    color(rgb)
    begin_fill()
    fd(x)
    left(90)
    fd(y)
    left(90)
    fd(x)
    left(90)
    fd(y)
    left(90)
    end_fill()
for i in range(20):
    rgb=tuple(random() for i in range(3))
    rect(20,45,rgb)
    fd(20)
hideturtle()
done()

绝了绝了