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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 _check_common_tlv_format(self, tlv_complete_data, tlv_data_pattern, tlv_string):
 """Check for the common TLV format. """

        if tlv_complete_data is None:
            return False, None
        tlv_string_split = tlv_complete_data.split(tlv_string)
        if len(tlv_string_split) < 2:
            return False, None
        next_tlv_list = tlv_string_split[1].split('TLV')[0]
        tlv_val_set = next_tlv_list.split(tlv_data_pattern)
        if len(tlv_val_set) < 2:
            return False, None
        return True, tlv_val_set