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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 process_response(self, request, response):
 """ Sets the cache and deals with caching headers if needed """

        if not self.should_cache(request, response):
            # We don't need to update the cache, just return
            return response 

        response = self.patch_headers(response)
        self.set_cache(request, response)

        return response