code: def transform(self, text):
      """
      :param unicode|str text: input text
      :type text: unicode|str
  
      :return: transformed text
      :rtype: unicode|str
      """
      return text.lower()
  
label_desc: Use image node_id 2 for calling the LowercaseTransformer obj's underlying member method code with example usage: obj.transform(text) and returns: text