Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['341', '1711', 'V', 'N', '8041', 'Z', '3171', '1975', 'i', '5247', '5859']

341, 1711, 22, 14, 8041, 26, 3171, 1975, 9, 5247, 5859