• for loop doesn't work correctly


I would like to give some feedback about ... i use a for loop in your shell, but when executed it skips some items of the list (pair items looks like). i have attached an image where you can clearly see that it doesn't goes through all the numbers. From: https://checkio.org/mission/non-unique-elements/solve/


Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/601.6.17 (KHTML, like Gecko) Version/9.1.1 Safari/601.6.17