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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def exit(exit_code=0):
 r"""A function to support exiting from exit hooks. Could also be used to exit from the calling scripts in a thread safe manner. """

  core.processExitHooks()

  if state.isExitHooked and not hasattr(sys, 'exitfunc'): # The function is called from the exit hook
    sys.stderr.flush()
    sys.stdout.flush()
    os._exit(exit_code) #pylint: disable=W0212

  sys.exit(exit_code)