code: def namespace_match(pattern: str, namespace: str):
      
      if pattern[0] == '*' and namespace.endswith(pattern[1:]):
          return True
      elif pattern == namespace:
          return True
      return False
docs: Matches a namespace pattern against a namespace string.  For example, ``*tags`` matches
      ``passage_tags`` and ``question_tags`` and ``tokens`` matches ``tokens`` but not
      ``stemmed_tokens``.