擅长:python、mysql、java
<p>与<code>lambda</code>一起使用<code>.apply</code></p>
<p>演示:</strong></p>
<pre><code>import pandas as pd
df = pd.DataFrame({"Col1":["bbbb2", "aaaa1"], "Col2":["Hello I want to removebbbb2", "Hello I want to remaaaa1"]})
def rep(row):
s = row["Col2"].split()
s[-1] = row["Col1"]
return " ".join(s)
print(df.apply(lambda row: rep(row), axis=1))
</code></pre>
<p><strong>输出:</strong></p>
<pre><code>0 Hello I want to bbbb2
1 Hello I want to aaaa1
dtype: object
</code></pre>