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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 thread_info(self):
 """Return a string identifying the current thread and fiber."""

        tid = threading.current_thread().name
        if tid == 'MainThread':
            tid = 'Main'
        current = fibers.current()
        fid = getattr(current, 'name') if current.parent else 'Root'
        return '{}/{}'.format(tid, fid)