code: def read(file_name):
      """Read a text file and return the content as a string."""
      with io.open(
          os.path.join(os.path.dirname(__file__), file_name),
          encoding="utf-8",
      ) as f:
          return f.read()
  
label_desc: Use image node_id 1 for calling a global function with example usage: read(file_name) and returns: f