It was necessary to clarify the reason for the possible introduction of a special method __equals__. The fact that the objects in python are often interpreted as values. Method __eq__, IMHO is used more for comparing objects as values​​. Introduction of method __equals__ can explicitly indicate the method of comparison of the objects as objects and __eq__ objects as values​​. If method __equals__ is not defined then __eq__ will be used. -- Zaur