Get a list of values of specific keys in a dictionary. Most straightforward way is to use a comprehension by iterating over list_of_keys . If ... ... <看更多>

In my code projects, I often find that choosing the right data structure is an important prerequisite to writing clean and effective code. ... <看更多>

list 是一种有序的集合，可以随时添加和删除其中的元素。 ... dict全称dictionary，在其他语言中也称为map，使用键-值（key-value）存储，具有极快的 ... ... <看更多>

The only possible improvement I see is to avoid unnecessary dictionary lookups by iterating over key-value pairs: ids = list() first_names ... ... <看更多>