擅长:python、mysql、java
<pre><code>main_list = ['munnar', 'ooty', 'coonoor', 'nilgri', 'wayanad', 'coorg', 'chera', 'hima']
list1 = ['ooty', 'coonoor', 'chera']
list2 = ['hill', 'hill', 'hill']
list3 = ['nilgri', 'hima']
list4 = ['mount', 'mount']
df = pd.DataFrame(dict(Area=main_list))
df.assign(Content=df.Area.map(dict([*zip(list1, list2), *zip(list3, list4)])))
Area Content
0 munnar NaN
1 ooty hill
2 coonoor hill
3 nilgri mount
4 wayanad NaN
5 coorg NaN
6 chera hill
7 hima mount
</code></pre>