Recommended way to implement __eq__ and __hash__

Question

The python documentation mentions that if you override __eq__ and the object is immutable, you should also override __hash__ in order for the class to

Answer 1

Is that the equivalent of this one-liner eq?

   def __eq__(self, other):
       return type(other) is type(self) and (self.a == other.a) and (self.b == other.b)