实验任务8

from turtle import *
def square(size=50, rgb='pink'):
        '''绘制正方形
    参数size指定边长
    参数rgb指定画笔颜色
    如果没有给参数，采用默认值
    '''
        pencolor('orange')
        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')
n = 10
for i in range(n):
        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 += 2
hideturtle()
done()

task6.py

from turtle import *
from random import random
def moveto(x,y):
        penup()
        goto(x,y)
        pendown()
setup(800, 600)
speed(0)
size = 30
lenth = 200
for i in range(20):
        moveto(-100,15)
        rgb = tuple(random() for i in range(3))
        color(rgb)
        begin_fill()
        for j in range(2):
                fd(lenth)
                left(90)
                fd(size)
                left(90)
        end_fill()
        lenth -= 10
hideturtle()
done()