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.

['1801', '667', 'e', 'U', 't', '6309', '5535', 'g', '3007', 'g', 'y', '7329', '3741', 'f', 'O', 'i', 'T', 'p', '685', 'u', 'q', '8561', 'Z']
1801, 667, 5, 21, 20, 6309, 5535, 7, 3007, 7, 25, 7329, 3741, 6, 15, 9, 20, 16, 685, 21, 17, 8561, 26

['7869', 'q', '7887', 'z', 'r', '7069', 'C', '2793', 'N']
7869, 17, 7887, 26, 18, 7069, 3, 2793, 14

['569', 'F', '9699', '9407', 'm', '9487', '2241', 'v', '1231', '9541', 'O', 'D', '9317', '85', 'd', 'x', 'w', '6113', 'H', 'n', 'L']

569, 6, 9699, 9407, 13, 9487, 2241, 22, 1231, 9541, 15, 4, 9317, 85, 4, 24, 23, 6113, 8, 14, 12