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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 _get_tab_zpe(cls):
 """Generate and return the COBS ZPE table."""


        if not cls._tabs['dec_cobs_zpe']:
            # Compute the COBS ZPE table for decoding
            cls._tabs['dec_cobs_zpe']['\xe0'] = (224, '')
            cls._tabs['dec_cobs_zpe'].update(dict((chr(l), (l, '\0'))
                                                  for l in range(1, 224)))
            cls._tabs['dec_cobs_zpe'].update(dict((chr(l), (l - 224, '\0\0'))
                                                  for l in range(225, 256)))

            # Compute the COBS ZPE table for encoding
            cls._tabs['enc_cobs_zpe'] = [(224, '\xe0'),
                                         dict((l, chr(l))
                                              for l in range(1, 224)),
                                         dict((l - 224, chr(l))
                                              for l in range(225, 256))
                                         ]

        return cls._tabs['dec_cobs_zpe'], cls._tabs['enc_cobs_zpe']