擅长:python、mysql、java
<pre><code># extract the column names that need to be updated
cols = df.columns[df.columns.str.startswith('Average BR')]
# update the columns
df[cols] = df[cols].astype(str).add('%')
print(df)
Label Average BR_1 Average BR_2 Average BR_3 Average BR_4
0 Label 1 50% 30% 50% 50%
1 Label 2 60% 20% 50% 50%
2 Label 3 65% 50% 50% 50%
</code></pre>
<p><a href="https://uscript.co/public/Google_108617488638529745626/python/9d4469b1.py" rel="nofollow noreferrer">working example</a></p>