[Python-Dev] Usage of += on strings in loops in stdlib

[Daniel Holth]

On Wed, Feb 13, 2013 at 7:10 AM, Serhiy Storchaka <storchaka at gmail.com>wrote:

> On 13.02.13 10:52, Larry Hastings wrote:
>
>> I've always hated the "".join(array) idiom for "fast" string
>> concatenation--it's ugly and it flies in the face of TOOWTDI.  I think
>> everyone should use "x = a + b + c + d" for string concatenation, and we
>> should just make that fast.
>>
>
> I prefer "x = '%s%s%s%s' % (a, b, c, d)" when string's number is more than
> 3 and some of them are literal strings.
>

Fixed: x = ('%s' *  len(abcd)) % abcd
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