bin search in array X country codes expected

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Goodwin Lu     2020-07-09 17:56:09

How to solve the problem? I output the answer but it says I'm still wrong.

https://prnt.sc/tewgke [I have exactly as many return as they asked for... :( ] Any help?

Alexandr Milovantsev     2020-07-10 01:08:59

CHeck for trailing space in your answer. If there is one, remove it.

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