Tiny python code I dont understand

ast nomail at invalid.com
Tue Mar 8 11:32:59 EST 2016


"Jussi Piitulainen" <jussi.piitulainen at helsinki.fi> a écrit dans le message de 
news:lf58u1t53sb.fsf at ling.helsinki.fi...
> ast writes:
>
>> Hello
>>
>>>>> lst = [(1,2,3), (4, 5,6)]
>>>>> sum(lst, ())
>> (1, 2, 3, 4, 5, 6)
>>
>> Any explanations ?
>
> (() + (1,2,3)) + (4,5,6)

yes, ty 




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