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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 create(self):
 """Save the log configuration in the Crazyflie"""

        pk = CRTPPacket()
        pk.set_header(5, CHAN_SETTINGS)
        if self.useV2:
            pk.data = (CMD_CREATE_BLOCK_V2, self.id)
        else:
            pk.data = (CMD_CREATE_BLOCK, self.id)
        for var in self.variables:
            if (var.is_toc_variable() is False):  # Memory location
                logger.debug('Logging to raw memory %d, 0x%04X',
                             var.get_storage_and_fetch_byte(), var.address)
                pk.data.append(struct.pack('<B',
                                           var.get_storage_and_fetch_byte()))
                pk.data.append(struct.pack('<I', var.address))
            else:  # Item in TOC
                logger.debug('Adding %s with id=%d and type=0x%02X',
                             var.name,
                             self.cf.log.toc.get_element_id(
                                 var.name), var.get_storage_and_fetch_byte())
                pk.data.append(var.get_storage_and_fetch_byte())
                if self.useV2:
                    ident = self.cf.log.toc.get_element_id(var.name)
                    pk.data.append(ident & 0x0ff)
                    pk.data.append((ident >> 8) & 0x0ff)
                else:
                    pk.data.append(self.cf.log.toc.get_element_id(var.name))
        logger.debug('Adding log block id {}'.format(self.id))
        if self.useV2:
            self.cf.send_packet(pk, expected_reply=(
                CMD_CREATE_BLOCK_V2, self.id))
        else:
            self.cf.send_packet(pk, expected_reply=(CMD_CREATE_BLOCK, self.id))