code: def get_kernel_spec(kernel_name):
      """Returns a :class:`KernelSpec` instance for the given kernel_name.
  
      Raises KeyError if the given kernel name is not found.
      """
      return KernelSpecManager().get_kernel_spec(kernel_name)
  
imports: import errno
  import io
  import json
  import os
  import re
  import shutil
  import warnings
  from ipython_genutils.py3compat import PY3
  from traitlets import HasTraits, List, Unicode, Dict, Set, Bool, Type, CaselessStrEnum
  from traitlets.config import LoggingConfigurable
  from jupyter_core.paths import jupyter_data_dir, jupyter_path, SYSTEM_JUPYTER_PATH
label_desc: Use image node_id 5 for calling a global function with example usage: get_kernel_spec(kernel_name) and returns: KernelSpecManager