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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 _set_options_headers(self, methods):
 """ Set proper headers. Sets following headers: Allow Access-Control-Allow-Methods Access-Control-Allow-Headers Arguments: :methods: Sequence of HTTP method names that are value for requested URI """

        request = self.request
        response = request.response

        response.headers['Allow'] = ', '.join(sorted(methods))

        if 'Access-Control-Request-Method' in request.headers:
            response.headers['Access-Control-Allow-Methods'] = \
                ', '.join(sorted(methods))

        if 'Access-Control-Request-Headers' in request.headers:
            response.headers['Access-Control-Allow-Headers'] = \
                'origin, x-requested-with, content-type'

        return response