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: ['J', 'q', '8659', 'N', '6621', '4521', 'T', 't', 'd', '3681', 'c', 'S', '4079', 'c', 'v', 'r', '3557', '8119', 'k', 'G', 'v', '9505', '1011', '9155', 'n', '4879', '7649', 'g', 'B', '9143', '1589', 'l', 'f', 'm', 'j', 'u', '9403', '763', 'j']

10, 17, 8659, 14, 6621, 4521, 20, 20, 4, 3681, 3, 19, 4079, 3, 22, 18, 3557, 8119, 11, 7, 22, 9505, 1011, 9155, 14, 4879, 7649, 7, 2, 9143, 1589, 12, 6, 13, 10, 21, 9403, 763, 10