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Re:The unknown features of Python's `operator` module by kazinator on Sunday August 08, 2021 @04:09PM (#28109689)
Note that these two are different:

https://en.wikipedia.org/wiki/Parity_bit

https://en.wikipedia.org/wiki/Parity_(mathematics)

"parity check on a string" tends toward the former interpretation of "parity". You don't do parity checks by looking at only the least significant bit of every code word.

Re:The unknown features of Python's `operator` module by klyrs on Sunday August 08, 2021 @06:36PM (#28110809)
Ah, I understand now. You're right, an actual parity check should reduce the bits of the final result.