Декартові координати у turtle

import turtle

def size(s1 = -10, s2 = 10, step = 0.1):

 table=[]

 if s1 < s2: s1,s2= s2,s1

 while s1 <= s2:

  table.append(s1)

  s1+= step

 return table

def turtleGraf():

 turtle.home()

 left = 90

 for i in range(4):

  turtle.down()

  turtle.fd(1000)

  turtle.up()

  turtle.home()

  turtle.left(left)

  left +=90

def Draw(p = [0,1,2,3]):

 way =[] 

 for el in p:

  y = 3*el - 6

  way.append([el,y])

 for w in way:

  turtle.goto(w[0], w[1])

  turtle.down()

turtleGraf()

m = size() 

Draw(p = m)