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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 _get_class_path(self, klass_or_instance):
 """Return class path for a given class. :param klass_or_instance: Class or instance of given class :return: String containing the class path """

        if inspect.isclass(klass_or_instance):
            klass = '{}.{}'.format(klass_or_instance.__module__, klass_or_instance.__name__)
        elif not isinstance(klass_or_instance, str):
            klass = klass_or_instance.__class__
            klass = '{}.{}'.format(klass.__module__, klass.__name__)
        else:
            klass = klass_or_instance

        return klass