code: def mediaTypeHelper(mediaType):
      
      def _innerHelper(data=None):
          """
          Create a Responses object that contains a MediaType entry of the specified mediaType
  
          Convenience function for the most common cases where you need an instance of Responses
          """
          ret = OpenAPIResponses()
          if data is None:
              data = {}
          ret.default.content[mediaType] = data
          return ret
      return _innerHelper
docs: Return a function that creates a Responses object;