擅长:python、mysql、java
<p>更简单的方法是使用<code>with</code>、<code>for</code>和{<cd3>},如下所示:</p>
<pre><code>with open('input.txt', 'r') as f, open('output.txt', 'w') as o:
for numline, line in enumerate((line.split() for line in f), start=1):
# process line elements by using line[0] line[1]...
# When you're done, you can write results in an output file like this
# (add a loop if needed):
o.write("%s %s\n" % (results[0], results[1]))
</code></pre>
<p>等等!在</p>