code: def read_resp_data(service_name, implementation_name, url, response):
      
      RR = _mockdata_path_root(service_name, implementation_name)
      for resource_dir in app_resource_dirs:
          path = os.path.join(resource_dir['path'],
                              service_name,
                              implementation_name)
          found_header = _read_resp_header(path, url, response)
          found_body = _read_resp_body(path, url, response)
          if found_body or found_header:
              return response
      response.status = 404
      return response
docs: Read the (DELETE, PATCH, POST, PUT) response body and header if exist.