code: def warning(self, msg, *args, **kwargs):
      self.f.write("WARNING: " + (msg % args) + "\n")
  
imports: import re
  import sys
  import types
  import copy
  import os
  import inspect
label_desc: Use image node_id 3 for calling the PlyLogger obj's underlying member method code with example usage: obj.warning(msg) without return types