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.

['7463', 'x', 'w', 'y', '3185', '4319', 'C', 'X', '3279', 'S', 'z', 'e', '3423', '4775', '4381', 'U', '477', 'K', '5501', '2059', '9307', '8603', '3199', 'r', '8801', 'b', '7387']
7463, 24, 23, 25, 3185, 4319, 3, 24, 3279, 19, 26, 5, 3423, 4775, 4381, 21, 477, 11, 5501, 2059, 9307, 8603, 3199, 18, 8801, 2, 7387

['W', '1605', 's', 'T', 'D', '3511', '2365', 'Z', '947', '9175', 'B', '7279', '8883', '7339', 'o', 'x', 'y', 'M', '8459', 'a', '8317']
23, 1605, 19, 20, 4, 3511, 2365, 26, 947, 9175, 2, 7279, 8883, 7339, 15, 24, 25, 13, 8459, 1, 8317

['v', '5701', 'o', '5861', '499', 'Y', 'v', 'g', 'f', 'K', '875', 'T', 'n', 'c', 'k']

22, 5701, 15, 5861, 499, 25, 22, 7, 6, 11, 875, 20, 14, 3, 11