题解 | #配置文件恢复#
配置文件恢复
https://www.nowcoder.com/practice/ca6ac6ef9538419abf6f883f7d6f6ee5
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())
value = list(dic.values())
while True:
try:
pass
line = input()
cmd = line.split()
if len(cmd) != 1 and len(cmd) != 2:
print('unknown command')
continue
if len(cmd) == 1:
if 'reset'.startswith(cmd[0]):
print(dic[key[0]])
continue
else:
print('unknown command')
continue
tmp = []
for k in key[1:]:
kk = k.split()
if kk[0].startswith(cmd[0]) and kk[1].startswith(cmd[1]):
tmp.append(k)
if len(tmp) != 1: # 可以把满足条件的都记录下来，然后再判断是否唯一
print('unknown command')
continue
else:
print(dic[tmp[0]])
continue
except EOFError:
break
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