code: def write_string(ss):
      if not isinstance(ss, bytes):
          ss = ss.encode()
      b = str(len(ss)) + "s"
      s = struct.pack("I", len(ss))
      return s + struct.pack(b, ss)
  
file_path: euler/euler/tools/util.py
imports: import struct
  import ctypes
  import os
  import threading
label_desc: Use image node_id 5 for calling a global function with example usage: write_string(ss) and returns: unknown