实验6

from turtle import *
def square(size=50):
pencolor('orange')
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(10):
for j in range(4):
fd(size)
angle=angle+72
seth(angle)
size=size+5

hideturtle()
done()

 

from turtle import*
from random import random

def rect(x,y):
fd(x)
left(90)
fd(y)
left(90)
fd(x)
left(90)
fd(y)

def moveto(x,y):
penup()
goto(x,y)
pendown()

for i in range(20,220,20):

moveto(i,0)
left(90)

rgb=tuple(random()for i in range(3))

color(rgb)

begin_fill()
rect(100,20)
end_fill()
hideturtle()
done()