擅长:python、mysql、java
<p>这是字典的完美应用程序,类似于Perl哈希:</p>
<pre><code>data = {}
with open('data.txt') as f:
for line in f:
try:
condition, value = map(int, line.strip().split())
data.setdefault(condition, []).append(value)
except Exception:
print 'Bad format for line'
</code></pre>
<p>现在,您可以通过索引<code>data</code>来访问不同的条件:</p>
^{pr2}$