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Is there any preferred order when declaring multiple functions and classes in the same python file? Should functions or classes be declared first? What are the best practices?
PEP8 does not seems to give any recommendation
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So in general, yes, the order does matter; there's no hoisting of names in Python like there is in other languages (e.g JavaScript). Save this answer.
In Python, functions behave like any other object, such as an int or a list. That means that you can use functions as arguments to other functions, store functions as dictionary values, or return a function from another function. This leads to many powerful ways to use functions.
Python follows depth-first order to resolve the methods and attributes. So in the above example, it executes the method in class B.
It is not possible. Python does not allow calling of a function before declaring it like C. This is possible in some languages like JavaScript but not in Python. This means Python does not allows calling before declaring.
Generally, there is no preferred order. Depending on the program, a order can be needed:
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