Aggregation in Python example

Aggregation means one object is the owner of another object. Composition means one object is contained in another object . The direction of a relation is a requirement in both Composition and Aggregation.

Aggregation in OOPS is defined as a relation that exists between two or more two objects which individually have their own individual life cycle along with the ownership .

Aggregation describes a special type of an association which specifies a whole and part relationship. Association is a relationship between two classes where one class use another .