题解 | #配置文件恢复#

while 1:
    try:
        s=input().split( )
        #print(s)
        d={
            'reset board':'board fault',
            'board add':'where to add',
            'board delete':'no board at all',
            'reboot backplane':'impossible',
            'backplane abort':'install first'
            }
        if len(s)==1:
            if s[0]=='reset'[:len(s[0])]:
                print('reset what')
            else:
                print('unknown command')
        elif len(s)>1:
            order_match=[]
            for i in d.keys():
                order=i.split()
                if s[0]==order[0][:len(s[0])] and s[1]==order[1][:len(s[1])]:
                    order_match.append(i)
            #print(order_match)
            if len(order_match)==1:
                print(d[order_match[0]])
            elif len(order_match)!=1:
                print('unknown command')
    except:
        break