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: ['m', 'k', 'L', 'W', '1465', '4703', 'P', 'S', '2623', '7071', 'F', '3443', 'v', '3173', 'E', '7987', '5329', 'M', '7093', 'g', 'M', '8793', '9731', '6657', 'b', '4645', 'J', 't', '3057', 'p', 'F', 'r', 's', 'h', 'j']

13, 11, 12, 23, 1465, 4703, 16, 19, 2623, 7071, 6, 3443, 22, 3173, 5, 7987, 5329, 13, 7093, 7, 13, 8793, 9731, 6657, 2, 4645, 10, 20, 3057, 16, 6, 18, 19, 8, 10