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: ['N', 'f', '689', '9837', '705', 'o', '545', 'y', 'T', 'v', '7775', '6537', 'd', 'p', 'P', 'x', '3825', '649', '8257', 'q', '7401', 'w', 'F', '8615', '7581', 'S', 'M', 'c', 'j', 'H', '2921', 'D', 'e', 'w', 'M', '735', '4253', 'Q', '5293']

14, 6, 689, 9837, 705, 15, 545, 25, 20, 22, 7775, 6537, 4, 16, 16, 24, 3825, 649, 8257, 17, 7401, 23, 6, 8615, 7581, 19, 13, 3, 10, 8, 2921, 4, 5, 23, 13, 735, 4253, 17, 5293