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__eq__ why do we need it?
If python can already do this, why do we need this dunder eq? Could someone explain please, thanks!
list1 = [2, 3] list2 = [2, 3] if list1 == list2: print("eq") else: print("not eq") eq
Chris FreemanTreehouse Moderator 67,778 Points
Hey Riley Ittidecharchoti, great question!
The built-in types, such as
list, all have
__eq__ defined. Any new class that is derived from the built-in types will inherit the
If a new class is defined that does not inherit from a built-in type and it will be used in a
== comparison statement, then it must have an
__eq__ method defined or it can not be compared. In other words, the
== operator calls the
Post back if you need more help. Good luck!!!