擅长:python、mysql、java
<p>我不明白你想怎么处理第一个专栏。但是,这里有一些python遵守了对第二列和的限制</p>
<p>文件ID=itertools.count(一)
以open('path/to/file')作为填充:
总和=0
阈值=10000000
outfile=open(“文件%d”%fileID,“w”)</p>
<pre><code>for line in infile:
val = int(line.strip().split()[-1])
if threshold-sum >= val:
outfile.write(line)
else:
outfile.close()
sum = 0
outfile = open("file%d"%next(fileID), 'w')
outfile.write(line)
sum += val
outfile.close()
</code></pre>
<p>希望这有帮助</p>