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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 queue_call(self, delay, callback, *args, **kwds):
 """Schedule a function call at a specific time in the future."""

    if delay is None:
      self.current.append((callback, args, kwds))
      return
    if delay < 1e9:
      when = delay + self.clock.now()
    else:
      # Times over a billion seconds are assumed to be absolute.
      when = delay
    self.insort_event_right((when, callback, args, kwds))