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How to use cProfile The cProfile module gathers statistics about the execution time of a Python program. It can report on anything from the entire app to a single statement or expression.
This post explains how to use classes in Python. Including: how to use static and private methods, constructors, and more!
In this case, we use default to set weight to 0.0. default_factory: Provides the name of a function, which takes no parameters, that returns some object to serve as the default value for the field.