第一次作业

import turtle as t
t.setup(600, 600, None,None)
t.pu()
t.fd(-120)
t.pensize(5)
t.width(5)
t.pencolor("darkgreen")
t.pd()
t.fd(250)
t.seth(120)
t.pencolor("black")
t.fd(250)
t.seth(-120)
t.pencolor("blue")
t.fd(250)
t.pencolor("purple")
t.fd(250)
t.seth(0)
t.pencolor("green")
t.fd(250)
t.pencolor("gold")
t.fd(250)
t.seth(120)
t.pencolor("red")
t.fd(250)
t.seth(-120)
t.pencolor("grey")
t.fd(250)
t.seth(120)
t.pencolor("violet")
t.fd(250)

import turtle
from turtle import done
 
t = turtle.Pen()
turtle.bgcolor("black")
t.pencolor("white")
i=0
while i<=5:
    t.forward(100)
    t.left(60)
    i=i+1
 
done()

import turtle  
  
turtle.left(30)  
turtle.forward(144)  
  
turtle.right(60)  
turtle.forward(144)  
  
turtle.right(60)  
turtle.forward(144)  
  
turtle.right(60)  
turtle.forward(144)  
  
turtle.right(60)  
turtle.forward(144)  
  
turtle.right(60)  
turtle.forward(144)  
  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.left(60)  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.left(60)  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.left(60)  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.left(60)  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.left(60)  
turtle.forward(144)  
turtle.right(120)  
turtle.forward(144)  
  
turtle.exitonclick()  

import turtle 

def drawSnake(rad,angle,len,neckrad):
    for i in range (len):
        turtle.circle(rad,angle)
        turtle.circle(-rad,angle)
    turtle.circle(rad,angle/2)
    turtle.fd(rad)
    turtle.circle(neckrad+1,180)
    turtle.fd(rad*2/3)
def main():
    turtle.setup(1300,800,0,0)
    pythonsize = 30
    turtle.pensize(pythonsize)
    turtle.pencolor("blue")
    turtle.seth(-40)
    drawSnake(40,80,5,pythonsize/2)

main()