code: def remove_entity(self, name):
          
  
          entity_to_remove = None
          for e in self.entities:
              if e.name == name:
                  entity_to_remove = e
          if entity_to_remove is not None:
              self.entities.remove(entity_to_remove)
docs: Remove an entity from the model.
  
          :param name: The name of the entity to remove.