[Python-Dev] PEP 463: Exception-catching expressions

Greg Ewing greg.ewing at canterbury.ac.nz
Sat Feb 22 00:29:59 CET 2014


Antoine Pitrou wrote:

>>    lst = [1, 2]
>>    value = lst[2] except IndexError: "No value"
> 
> the gain in concision is counterbalanced by a loss in
> readability,

This version might be more readable:

    value = lst[2] except "No value" if IndexError

since it puts the normal and exceptional values next
to each other, and relegates the exception type (which
is of much less interest) to a trailing aside.

-- 
Greg


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