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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_resource_or_collection(cls, request_args, id=None):
 r""" Deprecated for version 1.1.0. Please use get_resource or get_collection. This function has multiple behaviors. With id specified: Used to fetch a single resource object with the given id in response to a GET request.\ get_resource_or_collection should only be invoked on a resource when the client specifies a GET request. With id not specified: Used to fetch a collection of resource object of type 'cls' in response to a GET request\ . get_resource_or_collection should only be invoked on a resource when the client specifies a GET request. :param request_args: The query parameters supplied with the request. currently supports include, page[offset], \ and page[limit]. Pagination only applies to collection requests. See http://jsonapi.org/format/#fetching-pagination and \ http://jsonapi.org/format/#fetching-includes :param id: The 'id' field of the node to fetch in the database. The id field must be set in the model -- it \ is not the same as the node id. If the id is not supplied the full collection will be returned. :return: An HTTP response object in accordance with the specification at \ http://jsonapi.org/format/#fetching-resources """

        if id:
            try:
                r = cls.get_resource(request_args)
            except DoesNotExist:
                r = application_codes.error_response([application_codes.RESOURCE_NOT_FOUND])
        else:
            try:
                r = cls.get_collection(request_args)
            except Exception as e:
                r = application_codes.error_response([application_codes.BAD_FORMAT_VIOLATION])
        return r