题解 | #配置文件恢复#

while True:
    try:
        order=list(input().split())
		#一字串
        if len(order)==1:
            if order[0] in "reset":
                print("reset what")
            else:
                print("unknown command")
		#两字串
        elif len(order)==2:
            order_1=["reset","board","board","reboot","backplane"]
            order_2=["board","add","delete","backplane","abort"]
            count=0
            ind=0
            for i in range(len(order_1)):
                if order[0] in order_1[i] and order[0][0]==order_1[i][0]:
                    if order[1] in order_2[i] and order[1][0]==order_2[i][0]:
                        count+=1
                        ind=i
            if count==1:
                put=["board fault","where to add","no board at all","impossible","install first"]
                print(put[ind])
            else:
                print("unknown command")
    except:
        break