code: def sort_cards(cards, ranks=None):
      
      ranks = ranks or DEFAULT_RANKS
  
      if ranks.get("suits"):
          cards = sorted(
              cards,
              key=lambda x: ranks["suits"][x.suit] if x.suit != None else 0
          )
      if ranks.get("values"):
          cards = sorted(
              cards,
              key=lambda x: ranks["values"][x.value]
          )
  
      return cards
docs: Sorts a given list of cards, either by poker ranks, or big two ranks.
  
      :arg cards:
          The cards to sort.
      :arg dict ranks:
          The rank dict to reference for sorting. If ``None``, it will
          default to ``DEFAULT_RANKS``.
  
      :returns:
          The sorted cards.