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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _FindInKey(self, registry_key, find_specs, search_depth):
 """Searches for matching keys within the Windows Registry key. Args: registry_key (WinRegistryKey):
 Windows Registry key. find_specs (list[FindSpec]):
 find specifications. search_depth (int):
 number of key path segments to compare. Yields: str: key path of a matching Windows Registry key. """

    sub_find_specs = []
    for find_spec in find_specs:
      match, key_path_match = find_spec.Matches(registry_key, search_depth)
      if match:
        yield registry_key.path

      # pylint: disable=singleton-comparison
      if key_path_match != False and not find_spec.AtMaximumDepth(search_depth):
        sub_find_specs.append(find_spec)

    if sub_find_specs:
      search_depth += 1
      for sub_registry_key in registry_key.GetSubkeys():
        for matching_path in self._FindInKey(
            sub_registry_key, sub_find_specs, search_depth):
          yield matching_path