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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 item_options(self, **kwargs):
 """ Handle collection OPTIONS request. Singular route requests are handled a bit differently because singular views may handle POST requests despite being registered as item routes. """

        actions = self._item_actions.copy()
        if self._resource.is_singular:
            actions['create'] = ('POST',)
        methods = self._get_handled_methods(actions)
        return self._set_options_headers(methods)