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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 parse_request_headers(headers):
 """ convert headers in human readable format :param headers: :return: """

    request_header_keys = set(headers.keys(lower=True))
    request_meta_keys = set(XHEADERS_TO_ARGS_DICT.keys())
    data_header_keys = request_header_keys.intersection(request_meta_keys)
    return dict(([XHEADERS_TO_ARGS_DICT[key],
                  headers.get(key, None)] for key in data_header_keys))