擅长:python、mysql、java
<p>你可以这样做:</p>
<pre><code>d = {}
with open(file) as f:
for line in f:
if line.split()[0] not in d:
d[line.split()[0]] = [line.split()[3],line.split()[4]]
else:
d[line.split()[0]] = [min(line.split()[3],d[line.split()[0]][0]), max(line.split()[4],d[line.split()[0]][1])]
</code></pre>