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(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')
speed(0)

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 = 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 rect1(w, h, fc):
    fillcolor(fc)
    for i in range (1,5):
        if i % 2 == 0:
            d=h
        else:
            d=w
        fd(d)
        left(90)

def rect2(w, h, fc):
    fillcolor(fc)
    for i in range (1,5):
        if i % 2 == 0:
            d=h
        else:
            d=w
        fd(-d)
        right(90)

def moveto(x, y):
    penup()
    goto(x, y)
    pendown()

for i in range(10):
    moveto(30 * i, 0)
    rgb = tuple(random() for i in range(3))
    begin_fill()
    rect1(30, 60, rgb)
    end_fill()

for i in range(10):
    moveto(-30 * i, 0)
    rgb = tuple(random() for i in range(3))
    begin_fill()
    rect2(30, 60, rgb)
    end_fill()

hideturtle()
done()