实验8

task3.py

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()

task4.py

from turtle import *

setup(800, 600)
pencolor('pink')

speed(0)
n = 10
for i in range(10):
    for j in range(2):
        circle(80, 90)
        left(90)

    right(360/n)


hideturtle()
done()

task5.py

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()

task6.py

from turtle import *
from random import random

setup(800, 600)
speed(0)

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

def rect(x,y,rgb='red'):
    rgb = tuple(random() for i in range(3))
    color(rgb)
    for i in range(2):
        begin_fill()
        fd(x)
        left(90)
        fd(y)
        end_fill()
        left(90)

for i in range(20):
    moveto((9-i) * 10, 0)
    rect(10, 20)

hideturtle()
done()