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: ['Q', 'o', '1187', 'j', '4579', '6967', 'A', 'x', 'D', 'd', '5667', '3979', '981', '1105', 'w', '1855', 'C', '4053', 'n', '375', 'r', '5649', 'X', '4873', '6823', '1311', '8729', '7287', 'n', '8045', '8607', '6037', 'w', 'w']

17, 15, 1187, 10, 4579, 6967, 1, 24, 4, 4, 5667, 3979, 981, 1105, 23, 1855, 3, 4053, 14, 375, 18, 5649, 24, 4873, 6823, 1311, 8729, 7287, 14, 8045, 8607, 6037, 23, 23