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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 namespace(self, **context):
 """ Returns the namespace that should be used for this schema, when specified. :return: <str> """

        context = orb.Context(**context)
        if context.forceNamespace:
            return context.namespace or self.__namespace
        else:
            return self.__namespace or context.namespace