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: ['v', 's', 'k', 'e', 'C', '1603', 'o', '289', '5443', '1539', '1571', '8373', 'G', 'N', '8019', 'K', 'm', '1199', 'e', 's', '9099', 'W', 'z', 'J', '7153', '4215', 's', 'Y', '9283', '7005', '4541', '1233', 'v', '9907', 'J', '2929']

22, 19, 11, 5, 3, 1603, 15, 289, 5443, 1539, 1571, 8373, 7, 14, 8019, 11, 13, 1199, 5, 19, 9099, 23, 26, 10, 7153, 4215, 19, 25, 9283, 7005, 4541, 1233, 22, 9907, 10, 2929