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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_schema(self, *args, **kwargs):
 """ Return the schema instance that should be used for validating and deserializing input, and for serializing output. """


        klass = self.get_schema_class()

        # kwargs context value take precedence.
        kwargs['context'] = dict(
            self.get_schema_context(),
            **kwargs.get('context', {})
        )

        return klass(*args, strict=True, **kwargs)