为什么collections.Counter大写而collections.defaultdict不是大写? [英] Why is collections.Counter uppercase and collections.defaultdict is not?

问题描述

collections 模块中的某些元素似乎是大写的，而另一些则不是.其背后是否有具体的依据?

Some of the elements in the collections module seem to be uppercase, some other not. Is there a specific rationale behind it?

推荐答案

根据

According to this reddit comment

所有用python编写的类都是大写的驼峰字母.

All classes written in python are upper camel case.

所有基于C代码的类型都较低.[像原始图元]

All types based on C code are lower. [like the primitives]

namedtuple 是一个函数，因此遵循函数的命名约定. deque 和 defaultdict 是(C)类型； Counter 和 OrderedDict 是类(Python).

namedtuple is a function, thus follows the naming convention of functions. deque and defaultdict are types, (C); Counter and OrderedDict are classes, (Python).

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