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: ['X', 'Z', '7351', 'O', '6189', 'y', 'z', 'k', '7309', 'i', 'h', 'X', 'V', 'W', 'd', '2197', '127', 'i', 'A', 'f', 'w', 'P', '1037', 'v', 'r', 'Q', '9753', 'p', '2123', 'h', '2753', '1527']

24, 26, 7351, 15, 6189, 25, 26, 11, 7309, 9, 8, 24, 22, 23, 4, 2197, 127, 9, 1, 6, 23, 16, 1037, 22, 18, 17, 9753, 16, 2123, 8, 2753, 1527