[Python-Dev] (try-except) conditional expression similar to (if-else) conditional (PEP 308)

Raymond Hettinger wrote:
> If accepted, this would also solve the feature requests for various > functions to have default arguments.> For example:>>   x = min(seq) except ValueError else 0     # default to zero for > empty sequences>> It would also be helpful in calculations that have algebraic > restrictions:>>  sample_std_deviation = sqrt(sum(x - mu for x in seq) / (len(seq)-1)) > except ZeroDivisionError else float('Inf')>>> Raymond
Yes, exactly the situations I keep coding around.

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Jeffrey E. McAninch, PhD
Physicist, X-2-IFD
Los Alamos National Laboratory
Phone: 505-667-0374
Email: mcaninch at lanl.gov
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