[Python-Dev] Py3k: Except clause syntax

[Alex Martelli]

On Mar 19, 2006, at 7:42 PM, Guido van Rossum wrote:
    ...
>> There seem to be other places where Python is beginning to require  
>> parens
>> even though they aren't strictly necessary to resolve syntactic  
>> ambiguity.
>
> In the style guide only, I hope. The parens that are mandatory in a
> few places *are* necessary to resolve ambiguity.

Technically, I believe the first place where this did not apply was  
list comprehensions, back in 2.2, since (for example) [x, y for y, x  
in whatever] could have been syntactically disambiguated but (quite  
reasonably, IMHO) [(x,y) for y,x in whatever] was mandated instead.


Alex