擅长:python、mysql、java
<p>您的问题是:</p>
<pre><code>winners = readData() # you need to return the list here...
noDuplicates(winners) # otherwise it's empty here.
</code></pre>
<p>这一切都可以这样做。你知道吗</p>
<pre><code>def main():
winners = [x.rstrip() for x in open('WorldSeriesWinners.txt').readlines()]
winnersND = list(set(winners))
</code></pre>
<p>既然你在评论中问了,这就是你可以检查每个队赢了多少次的方法。你知道吗</p>
<pre><code>from collections import Counter
for winner, count in Counter(winners).iteritems():
print '{0} has won {1} times'.format(winner, count)
</code></pre>