实验六

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()

实验任务三：

 

 

 

 

实验任务四：

setup(800,600)
pencolor('pink')
for i in range(10):
    for i in range(2):
        circle(80,90)
        left(90)
    right(36)

hideturtle()
done()

 

实验任务五：

from turtle import*

speed(0)
setup(800,600)
bgcolor('black')
pencolor('white')

angle=0
size=2

for i in range(10):
    for j in range(5):
        fd(size)
        angle+=72
        seth(angle)
        size+=5

hideturtle()
done()

 

实验任务六：

 

#-------------------------------------------------------------------------------
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()