Why is collections.Counter uppercase and collections.defaultdict is not?

Question

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

Guess: what are the odds that a piece of code contains a *variable* called `counter` (which would shadow that name)? And `defaultdict`? — Bakuriu, Nov 10 '15 at 18:39

score 7 · Accepted Answer · edited Jun 20 '20 at 09:12

7

According to this reddit comment

All classes written in python are upper camel case.

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

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

edited Jun 20 '20 at 09:12

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answered Dec 09 '15 at 01:46

meto

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Why is collections.Counter uppercase and collections.defaultdict is not?

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