code: def allowCtrlC():
      """Allow Control-C to end program."""
      signal.signal(signal.SIGINT, signal.SIG_DFL)
  
imports: import asyncio
  import datetime
  import logging
  import math
  import signal
  import sys
  import time
  from dataclasses import fields, is_dataclass
  from typing import AsyncIterator, Awaitable, Callable, Iterator, List, Optional, Union
  import eventkit
label_desc: Use image node_id 10 for calling a global function with example usage: allowCtrlC() without return types