Example for Class counter in Python3

gistfile1.txt

class EJCounter:
    counter = 0

    def __init__(self):
        EJCounter.counter += 1

    def __str__(self):
        return f'{self.__class__.__name__} was called {self.counter} time'


if __name__ == "__main__":
    [EJCounter(), EJCounter()]
    print(EJCounter())

gistfile2.txt

class EJCounter:
    counter = 0

    @classmethod
    def create_new_instance(cls):
        EJCounter.counter += 1
        return cls()

    def __str__(self):
        return f'{self.__class__.__name__} was called {self.counter} time'


if __name__ == "__main__":
    [EJCounter.create_new_instance(), EJCounter.create_new_instance()]
    print(EJCounter())