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: ['7251', '1273', 'b', 'q', '9483', '7789', '6705', '1469', '8111', 'g', '4047', '6591', '1983', '7619', 'Q', '7965', '4119', '5195', 'i', 'v', 'y', 'u', '8073', 'Q', '159', '9393', 'V', '2515']

7251, 1273, 2, 17, 9483, 7789, 6705, 1469, 8111, 7, 4047, 6591, 1983, 7619, 17, 7965, 4119, 5195, 9, 22, 25, 21, 8073, 17, 159, 9393, 22, 2515