message: Update add-two-polynomials-represented-as-linked-lists.py
diff: @@ -5,6 +5,7 @@ class PolyNode:
  def __init__(self, x=0, y=0, next=None):
  pass
  +
  class Solution:
  def addPoly(self, poly1, poly2):
  """
  @@ -12,7 +13,6 @@ class Solution:
  :type poly2: PolyNode
  :rtype: PolyNode
  """
  -
  curr = dummy = PolyNode()
  while poly1 and poly2:
  if poly1.power > poly2.power:
  