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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 decode(self, offset):
 """Decode a section of the data section starting at offset Arguments: offset -- the location of the data structure to decode """

        new_offset = offset + 1
        (ctrl_byte,) = struct.unpack(b'!B', self._buffer[offset:new_offset])
        type_num = ctrl_byte >> 5
        # Extended type
        if not type_num:
            (type_num, new_offset) = self._read_extended(new_offset)

        (size, new_offset) = self._size_from_ctrl_byte(
            ctrl_byte, new_offset, type_num)
        return self._type_decoder[type_num](self, size, new_offset)