擅长:python、mysql、java
<p>示例中所示的数据格式是csv,其值<code>ID SURNAME NAME</code>属于一列。如果你同意对熊猫的额外依赖,那么你可以:</p>
<pre><code>import pandas as pd
pd.read_csv("data.txt")['ID SURNAME NAME'].to_csv(
"output.txt", index=False, header=None)
</code></pre>
<p>或者仅仅使用字符串操作</p>
<pre><code>with open("data.txt") as fp:
txt = fp.read()
with open('output.txt', 'w') as f:
_ = [f.write(x.split(",")[1]+"\n") for x in txt.split("\n")[1:]]
</code></pre>