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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def work_experience(self, working_start_age: int = 22) -> int: """Get a work experience. :param working_start_age: Age then person start to work. :return: Depend on previous generated age. """

        age = self._store['age']
        if age == 0:
            age = self.age()

        return max(age - working_start_age, 0)