code: def matching_subsequences_ratio(
      seq1: Sequence[str], seq2: Sequence[str], **kwargs
  ) -> float:
      """
      Measure the similarity between two sequences of strings by finding
      contiguous matching subsequences without any "junk" elements and normalizing
      by the total number of elements.
  
      Args:
          seq1
          seq2
          **kwargs
              isjunk: Optional[Callable[str], bool] = None
              autojunk: bool = True
  
      Returns:
          Similarity between ``seq1`` and ``seq2`` in the interval [0.0, 1.0],
          where larger values correspond to more similar sequences of strings
  
      Reference:
          https://docs.python.org/3/library/difflib.html#difflib.SequenceMatcher.ratio
      """
      return difflib.SequenceMatcher(a=seq1, b=seq2, **kwargs).ratio()
  
label_desc: Use image node_id 1 for calling a global function with example usage: matching_subsequences_ratio(seq1, seq2) and returns: difflib