Python’s magic method __del__() is called the finalizer method or, wrongly, the destructor method — the latter being wrong because it doesn’t actually destroy the object. Python calls __del__() upon deletion of a given instance. For example, the expression del my_obj will eventually initiate my_obj.__del__(). We call this a “Dunder Method” for “Double Underscore Method” … Read more
To customize the behavior of the non-equality operator x != y, override the __ne__() dunder method in your class definition. Python internally calls x.__ne__(y) to compare two objects using x != y. If the __ne__() method is not defined, Python will use the is not operator per default that checks for two arbitrary objects whether … Read more
The pass statement does nothing when executed. You can use it as a placeholder for future code so that you can focus on the high-level structure first and implement the details later. For example, functions, loops, class definitions, or if statements require at least one statement in their indentation block. Think of the pass statement … Read more