Definition: 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.
Input: ['1469', '1081', '2779', 'j', '1449', '2807', '7449', '9121', '7993', '1655', '3311', 'k', 'W', '6293', 'm', '8065', 'm', '6219', '8901', '3215', '1681', 'p', 'h', '753', '941', '3791', '5565', '1499', '4251', '183', 'b', 'e', '6677']

1469, 1081, 2779, 10, 1449, 2807, 7449, 9121, 7993, 1655, 3311, 11, 23, 6293, 13, 8065, 13, 6219, 8901, 3215, 1681, 16, 8, 753, 941, 3791, 5565, 1499, 4251, 183, 2, 5, 6677