擅长:python、mysql、java
<p>如果您仔细查看列表中除“RU”之外的缩写词是否有空格,请在比较之前使用strip方法除去空格</p>
<pre><code>languages = ['RU', ' EN', ' DE']
for x in languages:
x=x.strip()
if x == 'EN':
print(x, 'English')
elif x == 'RU':
print(x, 'Russian')
elif x == 'DE':
print(x, 'German')
else:
print('New Language')
</code></pre>