实验6

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)
    for i in range(10):
        square(80)
        left(36)
    hideturtle()
    done()
if __name__ == '__main__':
    main()

from turtle import*
setup(800,600)
pencolor('pink')
for i in range(10):
    for i in range(2):
        circle(80,90)
        left(90)
    right(36)
hideturtle()
done()

from turtle import*
speed(0)
setup(800,600)
bgcolor('black')
pencolor('white')
angle = 0
size = 2
for i in range(30):
    for j in range(3):
        fd(size)
        angle += 72
        seth(angle)
        size += 5
hideturtle()
done()

from turtle import*
from random import random
setup(800,600)
speed(0)
def moveto(x,y):
    penup()
    goto(x,y)
    pendown()
x = 0
y = 50
s = 10
for i in range(10):
    moveto(x,y)
    rgb = tuple(random() for i in range(3))
    color(rgb)
    begin_fill()
    right(90)
    fd(100)
    right(90)
    fd(10)
    right(90)
    fd(100)
    right(90)
    fd(10)
    end_fill()
    x += -10
for i in range(10):
    moveto(s,y)
    rgb = tuple(random() for i in range(3))
    color(rgb)
    begin_fill()
    right(90)
    fd(100)
    right(90)
    fd(10)
    right(90)
    fd(100)
    right(90)
    fd(10)
    end_fill()
    s += 10
hideturtle()
done()