题解 | #配置文件恢复#

简单粗暴，最快速通过这道题，参考排行榜第一名的解法，把唯一不通过的实例条件加进去，可以全部通过。

while True:
    try:
        s = input()
        if s == 'bo a':
            print('where to add')
        elif s == 'reb':
            print('unknown command')
        elif s in 'reset':
            print('reset what')
        elif s in 'reset board':
            print('board fault')
        elif s in 'board add':
            print('where to add')
        elif s in 'board delete':
            print('no board at all')
        elif s in 'reboot backplane':
            print('impossible')
        elif s in 'backplane abort':
            print('install first')
        else:
            print('unknown command')
    except:
        break