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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_context_object_name(self, object_list):
 """Get the name of the item to be used in the context. See original in ``django.views.generic.list.MultipleObjectMixin``. """

        if self.context_object_name:
            return self.context_object_name
        elif hasattr(object_list, 'model'):
            object_name = object_list.model._meta.object_name.lower()
            return smart_str('{0}_list'.format(object_name))
        else:
            return None