How to do static function variables in python
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in python, you can create static variables within a function by using a nested function or by utilizing function attributes. static variables are shared among all instances of a class or all calls to a function, and their values are retained across different function calls. this can be useful for caching values, counting function calls, or preserving state information.
here is a tutorial on how to create static function variables in python using both nested functions and function attributes:
1. using a nested function:
2. using function attributes:
in both examples, the static variable `static_var` is maintained across function calls and increments its value each time the function is called.
remember that using static variables can introduce complexity and potential side effects, so use them judiciously and make sure they are necessary for your specific use case.
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