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.

['2679', '4019', 'Z', '4269', 'Y', '5671', '4977', 'b', 'r', 'F', 'n', '3329', 'B', '3271', 'h', 'w', '2455', '2667', '1725', '3319', 'Y', '3621', '7933', '9049', 'U', 'd', 'm', 'h', 'O', '6269']
2679, 4019, 26, 4269, 25, 5671, 4977, 2, 18, 6, 14, 3329, 2, 3271, 8, 23, 2455, 2667, 1725, 3319, 25, 3621, 7933, 9049, 21, 4, 13, 8, 15, 6269

['l', 'F', 'o', '8761', 'o', 't', '2151', '1421', '9381', 'o', '8687', 'i', 'B', '7911', '2759', 'M', '4555', '3747', '145', 'W']
12, 6, 15, 8761, 15, 20, 2151, 1421, 9381, 15, 8687, 9, 2, 7911, 2759, 13, 4555, 3747, 145, 23

['X', 'u', '2793', 'w', 'Z', '5131', '5401', '761', '7255', '8793', 'r', 'R', '687', '3219']

24, 21, 2793, 23, 26, 5131, 5401, 761, 7255, 8793, 18, 18, 687, 3219