• something wrong

 

I would like to give some feedback about ... sum() can't be used there,even for in list then add is wrong From: https://py.checkio.org/mission/node-crucial/solve/

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Created at: Oct. 17, 2019, 3:03 p.m.; Updated at: Oct. 18, 2019, 2:04 a.m.
The question is resolved.