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: ['6033', '6535', '1715', 'Y', '7479', 'E', 'd', 't', '5911', 'C', 'b', '4209', '3703', '315', 'b', '9607', 'N', '8233', '2853', 'j', '3143', 'c', '4287', '4063', 'o', 'e', '1115', '7419', 'F', '4355', 'm', 'W', '9721', 'R', 'f', '3885', 'J', 'D', '3235']

6033, 6535, 1715, 25, 7479, 5, 4, 20, 5911, 3, 2, 4209, 3703, 315, 2, 9607, 14, 8233, 2853, 10, 3143, 3, 4287, 4063, 15, 5, 1115, 7419, 6, 4355, 13, 23, 9721, 18, 6, 3885, 10, 4, 3235