擅长:python、mysql、java
<p>你的循环似乎有点混乱。应该是这样的</p>
<pre class="lang-py prettyprint-override"><code>List_of_sentences = []
for line in range(int(input())):
List_of_sentences.append(input().strip().split())
Sample_sentence = input().split()
Final_list = []
for elements in Sample_sentence: #this for loop should be first
var = None
for lists in List_of_sentences: # this for loop should be second
if elements in lists:
#Final_list.append(lists[0])
var = lists[0]
break
Final_list.append(var if var else elements)
print(' '.join(Final_list))
</code></pre>