擅长:python、mysql、java
<p>只是用<code>.loc</code></p>
<pre><code>df.loc[df.location.isin(infected_areas),'status']='infected'
df
Out[49]:
index status location
0 0 infected area5
1 1 healthy area6
2 2 healthy area3
3 3 infected area8
4 4 healthy area1
5 5 infected area8
6 6 infected area5
7 7 healthy area2
8 8 healthy area4
9 9 healthy area10
</code></pre>