code: def bash(command="bash"):
      """Start a bash shell and return a :class:`REPLWrapper` object."""
      bashrc = os.path.join(os.path.dirname(__file__), "bashrc.sh")
      return _repl_sh(
          command, ["--rcfile", bashrc], non_printable_insert="\\[\\]"
      )
  
file_path: catboost/contrib/python/pexpect/py2/pexpect/replwrap.py
imports: import os.path
  import signal
  import sys
  import pexpect
label_desc: Use image node_id 3 for calling a global function with example usage: bash(command) and returns: _repl_sh