python - 将列表元素转换为列表列表

Question

简单的问题。你将如何转换这样的列表：

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

进入

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

谢谢 ！

Answer 1

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