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.

Example Input: ['4727', 'n', '983', '3675', 't', 'm', '2595', 'x', '9987', '2031', 'D', 'b', 'F', 'T', '3903', '6289', 'u', 'Y', 'l', '393', 'W', '8499', '1557', '7057', 'D', '5287', '2629']
Example Output: 4727, 14, 983, 3675, 20, 13, 2595, 24, 9987, 2031, 4, 2, 6, 20, 3903, 6289, 21, 25, 12, 393, 23, 8499, 1557, 7057, 4, 5287, 2629

Example Input: ['1611', 'z', '4841']
Example Output: 1611, 26, 4841

Example Input: ['7877', 'u', '3171', '9247', '6557', '3559', 'i', 'g', '81', 'L', '621', 'v', '525', 'p', '4751', '6813', 'a', '199', '9287', '6225', '3909', '4761', '3953', 'b', 'w', '7383', '6121', '8753', 'R', 'e', 'H', '4001', 's', '2239', '1499', '2979', '667', 's']
Example Output:
7877, 21, 3171, 9247, 6557, 3559, 9, 7, 81, 12, 621, 22, 525, 16, 4751, 6813, 1, 199, 9287, 6225, 3909, 4761, 3953, 2, 23, 7383, 6121, 8753, 18, 5, 8, 4001, 19, 2239, 1499, 2979, 667, 19