code: def _some_str(value):
      try:
          return unicode(value)
      except Exception:
          try:
              return str(value)
          except Exception:
              pass
      return "<unprintable %s object>" % type(value).__name__
  
label_desc: Use image node_id 3 for calling a global function with example usage: _some_str(value) and returns: unknown, unicode, str