gistfile1.py

class Arista_Nodos(object):
  def __init__(self):
		self.id = 0

		self.x1 = 0
		self.x2 = 0

		self.y1 = 0
		self.y2 = 0

		self.z1 = 0
		self.z2 = 0

	def agrega_arista(self):
		self.x = [self.x1, self.x2]
		self.y = [self.y1, self.y2]
		self.z = [self.z1, self.z2]