擅长:python、mysql、java
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<pre><code>In [58]: d
Out[58]: defaultdict(<type 'list'>, {})
In [59]: for elem in keywords:
....: for item in listA:
....: if item.startswith(elem):
....: d[elem].append(item)
....:
In [60]: d
Out[60]: defaultdict(<type 'list'>, {'orange': ['orange_v001'], 'apple': ['apple_v001', 'apple_v002'], 'banana': ['banana_v001']})
</code></pre>