Pattern matching accepted for Python

The Python steering council has, after some discussion, accepted the controversial proposal to add a pattern-matching primitive to the language.

“We acknowledge that Pattern Matching is an extensive change to Python and that reaching consensus across the entire community is close to impossible. Different people have reservations or concerns around different aspects of the semantics and the syntax (as does the Steering Council). In spite of this, after much deliberation, reviewing all conversations around these PEPs, as well as competing proposals and existing poll results, and after several in-person discussions with the PEP authors, we are confident that Pattern Matching as specified in PEP 634, et al, will be a great addition to the Python language.”

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