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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 call(self, timeout=None):
 """Run command with arguments. Wait for command to complete. same as: 1. :meth:`start` 2. :meth:`wait` 3. :meth:`stop` :rtype: self """

        self.start().wait(timeout=timeout)
        if self.is_alive():
            self.stop()
        return self