code: def input_handler(data, context):
      data = json.loads(data.read().decode("utf-8"))
      new_values = [x + 1 for x in data["instances"]]
      dumps = json.dumps({"instances": new_values})
      return dumps
  
label_desc: Use image node_id 1 for calling a global function with example usage: input_handler(data, context) and returns: dumps