实验6

实验任务3

from turtle import *

def square(size=50, rgb = 'blue'):
    pencolor(rgb)
    for i in range(4):
        fd(size)
        left(90)
def main():
    setup(800, 600)
    speed(0)
    for i in range(10):
        square(80)
        left(36)
    hideturtle()
    done()
if __name__ == '__main__':
    main()

实验任务4

from turtle import *
setup(800, 600)
pencolor('blue')

for i in range(10):
    for i in range(2):
        circle(80, 90)
        left(90)

    right(36)
hideturtle()
done()

实验任务5

from turtle import *
speed(0)
setup(800, 600)
bgcolor('black')
pencolor('blue')
angle = 0
size = 2
for i in range(10):
    for j in range(5):
        fd(size)
        angle += 72
        seth(angle)
        size += 5
hideturtle()
done()

实验任务6

#-------------------------------------------------------------------------------
from turtle import*
speed(0)
setup(800,600)
dist = 10
penup()
goto(-100,0)
pendown()
import random
for i in range(20):
    begin_fill()
    rgb = tuple(random.random() for i in range(3))
    fd(dist)
    left(90)
    fd(dist+20)
    left(90)
    fd(dist)
    left(90)
    fd(dist+20)
    left(90)
    fillcolor(rgb)
    end_fill()
    penup()
    fd(dist)
    pendown()

hideturtle()
done()