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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 stop(self, timeout=None):
 """Stop the given command"""


        if not timeout:
            timeout = self.timeout
        self.kill_switch()
        # Send the signal to all the process groups
        self.process.kill()
        self.thread.join(timeout)
        try:
            os.killpg(os.getpgid(self.process.pid), signal.SIGTERM)
        except:
            pass
        if self.stopped:
            return True
        else:
            return False