<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def assign_item(self, item, origin):
 """ Assigns an item from a given cluster to the closest located cluster. :param item: the item to be moved. :param origin: the originating cluster. """

        closest_cluster = origin
        for cluster in self.__clusters:
            if self.distance(item, centroid(cluster)) < self.distance(
                    item, centroid(closest_cluster)):
                closest_cluster = cluster

        if id(closest_cluster) != id(origin):
            self.move_item(item, origin, closest_cluster)
            return True
        else:
            return False