python method for defining indexing in a class (use of “[ ]”)

python method for defining indexing in a class (use of “[ ]”)

I understand that __add__ can be used to define the use of + for a new class. What is the equivalent for defining the use of []?

I understand that __add__ can be used to define the use of + for a new class. What is the equivalent for defining the use of []?

I would like to create a class Parent that contains a dictionary codes, and I would like Parent[key]to return Parent.codes[key]

I understand that I could probably just use Parent.codes[key], but this seems needlessly verbose if methods can be used to avoid similar issues with things like + and ==.

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