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A factory function in python is used to create function objects.
We can have a function works as a factory which creates and returns function. We can return different functions based on parameter of function. As we have a function inside another function so closure is created and inner function will have access to factory function parameter even after it returns. This provides great flexibility for creation of functions. Let's see the implementation of python factory function.
We can also have if statement outside and can create the function object based on value of parameter of factory function.factoryfunction2.py