擅长:python、mysql、java
<p>对于<code>csv</code>,我总是访问数据分析库<code>pandas</code>。<a href="http://pandas.pydata.org/" rel="nofollow">http://pandas.pydata.org/</a></p>
<pre><code>import pandas as pd
df1 = pd.read_csv('file1.csv', names=['word','num1'])
df2 = pd.read_csv('file2.csv', names=['word','num2'])
df3 = pd.merge(df1, df2, on='word')
df3.to_csv('merged_data.csv')
</code></pre>