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: ['c', '1149', '9055', 'l', 'e', '2917', '1675', '4543', 'q', 'm', '3929', '5681', '579', 'O', 'w', 'X', '5097', 't', 'K', '7059', 'I', '7119', 'l', 'L', 'e', 'g', 'C', '1075', '9957', 'c', '5745', '3413', 'G']

3, 1149, 9055, 12, 5, 2917, 1675, 4543, 17, 13, 3929, 5681, 579, 15, 23, 24, 5097, 20, 11, 7059, 9, 7119, 12, 12, 5, 7, 3, 1075, 9957, 3, 5745, 3413, 7