题解 | #配置文件恢复#

while 1:

    try:

        dic = {'reset':'reset what','reset board':'board fault','board add':'where to add','board delete':'no board at all','reboot backplane':'impossible','backplane abort':'install first'}

        key = list(dic.keys())

        s = input().split()

        if len(s)==1:

            if key[0].find(s[0])==0:

                print('reset what')

            else:

                print('unknown command')

        elif len(s)==2:

            l = []

            for i in key[1:]:

                k = i.split()

                if k[0].find(s[0])==0 and k[1].find(s[1])==0:

                    l.append(dic[i])

            if len(l)==1:

                print(l[0])

            else:

                print('unknown command')

        else:

            print('unknown command')

    except:

        break