擅长:python、mysql、java
<p>始终<code>.index()</code>返回找到的第一个索引,您需要签入循环并使用<code>enumerate</code>如下所示:</p>
<pre><code>>>> words = ['me', 'you','me']
>>> for idx, w in enumerate(words):
... if w == 'me':
... print(idx)
0
2
>>> [idx for idx, w in enumerate(words) if w == 'me']
[0,2]
# for more explanation
>>> for idx, w in enumerate(words):
... print(idx, w)
0 me
1 you
2 me
</code></pre>