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.

Ex Input:
['3573', '6577', '3359', '8603', 'c', 'p', '5471', 'g', 'D', 'R', 'M', '4907', '3095', '2061', '8137', '5001', 't', 'Q', '6177', 'B', '1553', 'a', '993', 'q', '727', 'l', '141', 'V', 'V', 'C', 'Q', '7919', 'O', 'M', 'o', 'z', 'Z', '5639']

Ex Output:
3573, 6577, 3359, 8603, 3, 16, 5471, 7, 4, 18, 13, 4907, 3095, 2061, 8137, 5001, 20, 17, 6177, 2, 1553, 1, 993, 17, 727, 12, 141, 22, 22, 3, 17, 7919, 15, 13, 15, 26, 26, 5639

Ex Input:
['5473', '3897', 'E', '7551', 'U', 'l', 'C', 'p', 'w', 'g']

Ex Output:
5473, 3897, 5, 7551, 21, 12, 3, 16, 23, 7

Ex Input:
['f', '7835', '8173', 'e', 'R', 'F', '1877', 'd', 'p', '6089', 'r', 't', 'r', 'c', '2921', '7811', '4565', 'D', '8515', '3475', '8683', '1557', '1393', '6133', 'm', 'Z', '2431', '3227', 'g', '2861']

Ex Output:
6, 7835, 8173, 5, 18, 6, 1877, 4, 16, 6089, 18, 20, 18, 3, 2921, 7811, 4565, 4, 8515, 3475, 8683, 1557, 1393, 6133, 13, 26, 2431, 3227, 7, 2861