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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 is_disabled_action(view):
 """ Checks whether Link action is disabled. """

    if not isinstance(view, core_views.ActionsViewSet):
        return False

    action = getattr(view, 'action', None)
    return action in view.disabled_actions if action is not None else False