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<p>我如何计算这个二维列表中“命中”的项目数??</p>
<pre><code>grid = [['hit','miss','miss','hit','miss'],
['miss','miss','hit','hit','miss'],
['miss','miss','miss','hit','hit'],
['miss','miss','miss','hit','miss'],
['hit','miss','miss','miss','miss']]
battleships = 0
for i in grid:
if i == "hit":
battleships = battleships + 1
print battleships
</code></pre>
<p>我知道代码是错误的,但它给出了我想做什么的想法我希望??</p>
<p>谢谢</p>