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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 normalize_data_values(type_string, data_value):
 """Decodes utf-8 bytes to strings for abi string values. eth-abi v1 returns utf-8 bytes for string values. This can be removed once eth-abi v2 is required. """

    _type = parse_type_string(type_string)
    if _type.base == "string":
        if _type.arrlist is not None:
            return tuple((normalize_to_text(value) for value in data_value))
        else:
            return normalize_to_text(data_value)
    return data_value