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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 running(self):
 """ Tells whether the backend process is running. :return: True if the process is running, otherwise False """

        try:
            return (self._process is not None and
                    self._process.state() != self._process.NotRunning)
        except RuntimeError:
            return False