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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 start(self):
 """Starts all the snippet clients under management."""

        for client in self._snippet_clients.values():
            if not client.is_alive:
                self._device.log.debug('Starting SnippetClient<%s>.',
                                       client.package)
                client.start_app_and_connect()
            else:
                self._device.log.debug(
                    'Not startng SnippetClient<%s> because it is already alive.',
                    client.package)