擅长:python、mysql、java
<p>使用<code>str.len</code>和<code>str.split</code></p>
<p><strong>Ex:</strong></p>
<pre><code>df = pd.read_csv(StringIO(s))
df["word_count"] = df['question'].str.split().str.len() + df['answer'].str.split().str.len()
print(df)
</code></pre>
<p><strong>输出:</strong></p>
<pre><code> question answer word_count
0 Lorem ipsum dolor sit amet Lorem ipsum dolor 8
1 Lorem ipsum ipsum 3
2 Lorem ipsum dolor sit Lorem 5
</code></pre>