Feature or enhancement

Proposal:

Small addition to operator module.

operator.__contains__ with arguments reversed.

Naming in line with operator.is_ & operator.is_not.

Has this already been discussed elsewhere?

I have already discussed this feature proposal on Discourse

Links to previous discussion of this feature:

https://discuss.python.org/t/proposed-additions-to-operator/49846/12

Linked PRs

• gh-120376: operator.in_ & operator.not_in #120379