实验八

from turtle import *
def square(size=50, rgb='gold'):

        pencolor(rgb)
        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*
from random import random
speed(0)
def rect(x=10,y=50,rgb='black'):
    rgb=tuple(random() for i in range(3))
    color(rgb)
    for i in range(1,5):
        if i%2==1:
            fd(20)
        else:
            fd(50)
        lt(90)
q=-150
for i in range(20):
    penup()
    goto(q,-10)
    pendown()
    fd(20)
    left(90)
    fd(50)
    left(90)
    fd(20)
    left(90)
    fd(50)
    left(90)

    rgb = tuple(random() for i in range(3))
    color(rgb)
    begin_fill()
    rect(20,50,rgb)
    end_fill()
    q += 20


ht()
done()

from turtle import *
speed(0)
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 *
speed((0))
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()