擅长:python、mysql、java
<p>尝试列表压缩:</p>
<pre><code>df = pandas.DataFrame({'columnOne': ['Hello World', 'US Election', 'Movie Night']})
df['column2'] = ['#' + item.replace(' ', '') for item in df.columnOne]
In [2]: df
</code></pre>
<p><a href="https://i.stack.imgur.com/iiwuK.png" rel="nofollow"><img src="https://i.stack.imgur.com/iiwuK.png" alt="enter image description here"/></a></p>