code: def banner(self):
      return self.shell.banner
  
imports: import getpass
  import sys
  from IPython.core import release
  from ipython_genutils.py3compat import builtin_mod, PY3, unicode_type, safe_unicode
  from IPython.utils.tokenutil import token_at_cursor, line_at_cursor
  from traitlets import Instance, Type, Any, List, Bool
  from .comm import CommManager
  from .kernelbase import Kernel
  from .zmqshell import ZMQInteractiveShell
label_desc: Use image node_id 4 for calling the IPythonKernel obj's underlying member method code with example usage: obj.banner() and returns: self