code: def start(self, interval_s):
      
      if self.running:
        return False
  
      self.stopped.clear()
  
      def _execute():
        # Always execute immediately once
        if not self.method() and self.stop_if_false:
          return
        while not self.stopped.wait(interval_s):
          if not self.method() and self.stop_if_false:
            return
  
      self.thread = threading.Thread(target=_execute)
      self.thread.daemon = True
      self.thread.start()
      return True
docs: Starts executing the method at the specified interval.
  
      Args:
        interval_s: The amount of time between executions of the method.
      Returns:
        False if the interval was already running.