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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 define_example_values(self, http_method, route, values, update=False):
 """Define example values for a given request. By default, example values are determined from the example properties in the schema. But if you want to change the example used in the documentation for a specific route, and this method lets you do that. :param str http_method: An HTTP method, like "get". :param str route: The route to match. :param dict values: A dictionary of parameters for the example request. :param bool update: If True, the values will be merged into the default example values for the request. If False, the values will replace the default example values. """

        self.defined_example_values[(http_method.lower(), route)] = {
            'update': update,
            'values': values
        }