Adds hinge loss function algorithm (#10628)

* Adds exponential moving average algorithm

* code clean up

* spell correction

* Modifies I/O types of function

* Replaces generator function

* Resolved mypy type error

* readibility of code and documentation

* Update exponential_moving_average.py

* Adds hinge loss function

* suggested doc and refactoring changes

* refactoring

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Co-authored-by: Christian Clauss <cclauss@me.com>