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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 acquire(self, uuid_path, subnet=None):
 """ Lease a free subnet for the given uuid path. If subnet is given, try to lease that subnet, otherwise try to lease a free subnet. Args: uuid_path (str):
 Path to the uuid file of a :class:`lago.Prefix` subnet (str):
 A subnet to lease. Returns: netaddr.IPAddress: An object which represents the subnet. Raises: LagoSubnetLeaseException: 1. If this store is full 2. If the requested subnet is already taken. LagoSubnetLeaseLockException: If the lock to self.path can't be acquired. """

        try:
            with self._create_lock():
                if subnet:
                    LOGGER.debug('Trying to acquire subnet {}'.format(subnet))
                    acquired_subnet = self._acquire_given_subnet(
                        uuid_path, subnet
                    )
                else:
                    LOGGER.debug('Trying to acquire a free subnet')
                    acquired_subnet = self._acquire(uuid_path)

                return acquired_subnet
        except (utils.TimerException, IOError):
            raise LagoSubnetLeaseLockException(self.path)