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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 live_processes(self):
 """Return a list of the live processes. Returns: A list of the live processes. """

        result = []
        for process_type, process_infos in self.all_processes.items():
            for process_info in process_infos:
                if process_info.process.poll() is None:
                    result.append((process_type, process_info.process))
        return result