將列表元素轉換爲列表的列表

Question

簡單的問題。 你會如何轉換列表如下：

["foo","banana","apple"] 

到

[["foo"],["banana"],["apple"]] 

謝謝！

Answer 1

>>> [[el] for el in ["foo","banana","apple"]] 
[['foo'], ['banana'], ['apple']]