code: def encode(u, encoding=None):
      encoding = encoding or DEFAULT_ENCODING
      return u.encode(encoding, "replace")
  
file_path: catboost/contrib/python/ipython/py3/IPython/utils/py3compat.py
imports: import platform
  import builtins
  from .encoding import DEFAULT_ENCODING
label_desc: Use image node_id 2 for calling a global function with example usage: encode(u, encoding) and returns: u