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[Python-ideas] Contraction for "for x in range()"

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On 2017-02-14 21:09, Zachary Ware wrote:> On Tue, Feb 14, 2017 at 3:06 PM, Mikhail V <mikhailwas at gmail.com> wrote:>> I have a small syntax idea.>> In short, contraction of>>>> for x in range(a,b,c) :>>>> to>>>> for x in a,b,c :>>>> I really think there is something cute in it.>> So like a shortcut for range() which works only in for-in statement.>> So from syntactical POV, do you find it nice syntax?>> Visually it seems to me less bulky than range().>>>> Example:>>>> for x in 0,5 :>>     print (x)>>     for y in 0,10,2 :>>         print (y)>>         for z in 0, y+8 :>>             print (z)>> This is already valid and useful syntax, and thus a non-starter.>>    >>> for x in 0,5 :>    ...     print (x)>    ...     for y in 0,10,2 :>    ...         print (y)>    ...         for z in 0, y+8 :>    ...             print (z)>    ...>    0>    0>    0>    8>    10>    0>    18>    2>    0>    10>    5>    0>    0>    8>    10>    0>    18>    2>    0>    10>The closest you could get without breaking existing code is [a:b:c]:for x in [0:5]:     print(x)     for y in [0:10:2]:         print(y)         for z in [0:y+8]:             print(z)What's more, that could be valid outside the 'for' loop too.

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