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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 _create_filters(col_params, extractors):
 """Creates filters for the given col_params. Args: col_params: List of ListSessionGroupsRequest.ColParam protobufs. extractors: list of extractor functions of the same length as col_params. Each element should extract the column described by the corresponding element of col_params. Returns: A list of filter functions. Each corresponding to a single col_params.filter oneof field of _request """

  result = []
  for col_param, extractor in zip(col_params, extractors):
    a_filter = _create_filter(col_param, extractor)
    if a_filter:
      result.append(a_filter)
  return result