实验六

实验任务三、

from turtle import*
def square(size=50, rgb = 'green'):
    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()

 

 实验任务四、

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


hideturtle()
done()