PEP 824 proposes None-coalescing operators for Python
The ?? and ??= forms would supply defaults only when a value is None, and can be accepted independently of related None-aware access syntax.
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PEP 823 proposes None-aware ?. and ?[] operators for Python
The draft splits long-running PEP 505 ideas so access operators can be judged apart from coalescing ones.
By segfault