code: def _ignore_CTRL_C_posix():
      """Ignore CTRL+C (SIGINT)."""
      signal.signal(signal.SIGINT, signal.SIG_IGN)
  
imports: import os
  import platform
  import sys
  from distutils.version import LooseVersion
  from warnings import warn
label_desc: Use image node_id 5 for calling a global function with example usage: _ignore_CTRL_C_posix() without return types