擅长:python、mysql、java
<p>你就快到了。你知道吗</p>
<p>与其<code>prev</code>只是<code>id</code>,不如让它成为最后一行。这允许我们检查existance和id(<code>if prev and prev[0] == line[0]:</code>),并获取seq start和seq end(<code>print('{} -> {}'.format(prev[3], line[4]))</code>)。你知道吗</p>
<pre><code>prev = None
with open("test_parse") as fh_in:
for line in fh_in:
line = line.strip().split()
if prev and prev[0] == line[0]:
print(' '.join(prev).replace(prev[4], line[4]).split())
prev = line
</code></pre>