Mar 25, 2011 · If you want to check whether an attribute is present, the way to do that is hasattr. You don't need to make your class iterable.

Feb 26, 2013 · Actually this init method is the constructor of class.you can initialize that method using some attributes.. In that point , when you creating an object , you will have to pass some …

Feb 1, 2017 · I was thinking about making a deck of cards for a card game. I could make a list of all of the cards (I don't really care about the suits), but I was wondering if there was a much …

Dec 17, 2013 · What's the proper way to declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) …

Aug 15, 2020 · How do I go about creating a list of objects (class instances) in Python? Or is this a result of bad design? I need this cause I have different objects and I need to handle them at …

Oct 12, 2015 · In python the simple heuristic for when you should use a class comes down to whether or not your abstraction needs to be concerned with state. Abstractions that carry …

Feb 9, 2016 · I don't think simply making the class iterable will solve the problem. I also attempted many googles with as many different wordings of "python cast object to dict" as I could think of …

In Python, sequences are iterable too so one way to make an iterable class is to make it behave like a sequence, i.e. give it __getitem__ and __len__ methods. I have tested this on Python 2 …

I don't think the "right" way of creating an immutable object is writing a C extension. Python usually relies on library implementers and library users being consenting adults, and instead of …

The reason you need to use self. is because Python does not use special syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance to which …