Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Python 有字典和 OrderedDict。为什么 OrderedDict 不流行？是否缓慢且效率低下？如果我从 python 字典切换到 OrderedDict，我会失去什么？