Expressions to handle raising and catching exceptions, plus coalescion

[bschubert (Brian Schubert)]

Related:

PEP 505 – None-aware operators | peps.python.org

Introducing a Safe Navigation Operator in Python

PEP 505 got a mention but not this thread explicitly.

Add None coalescing operator in Python

Just like in Javascript there is Nullish coalescing operator(??) for checking for null values, it would be a nice addition to python as python also hasNone . Currently users often check for None with if statement: if foo is not None: return bar Or using or : foo or bar With or the problem is that it not only check for None but also other bool false values like empty string or False or empty list etc Adding ?? in python for checking would result in much simpler, which would only check …