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.

['3415', 'V', 'b', 'y', 'D', '345', '3149']
3415, 22, 2, 25, 4, 345, 3149

['3011', '6481', 'd', 'i', '377', '8837', 'p', 'd', 'N', '5135', '6461', '93', '3077', '7481', 'r', 'D', '6031', '8443', 'x', 'p', '8175', '3297', 'O', 'H', 'X', '5307', 'T', '5083', '6479']
3011, 6481, 4, 9, 377, 8837, 16, 4, 14, 5135, 6461, 93, 3077, 7481, 18, 4, 6031, 8443, 24, 16, 8175, 3297, 15, 8, 24, 5307, 20, 5083, 6479

['953', '5731', '7483', '5749', 'm', 'T', '6625', 'f', '6011', 'z', 'L', '5597', 'v', 'U', 'X', 'O', 'N']

953, 5731, 7483, 5749, 13, 20, 6625, 6, 6011, 26, 12, 5597, 22, 21, 24, 15, 14