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Tue Oct 21 16:38:33 EDT 2003 · https://mail.python.org/pipermail/python-dev/2003-October/039191.html

Skip writes:
> thought the definition for list comprehension syntax was something like
> 
>     '['
>         <expr> for <vars> in <expr>
>                [ for <vars> in <expr> ] *
>                [ if <expr> ] *
>     ']'

Nope:

>>> [x*y for x in 'aBcD' if x.islower() for y in range(4) if y%2]
['a', 'aaa', 'c', 'ccc']

-- Michael Chermside

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[Python-Dev] accumulator display syntax