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: ['3819', 'G', '5747', 'S', 'D', '2419', 'j', 'b', 'V', 'n', '7423', '6429', 'z', 'q', '1153', '3405', '6553', '4039', '6089', 'v', '6479', 'X', 'I', 'x', '557', 'S', 'A', '101', '2267', 'j', '5279', '5095', 'F', '1119', '4393', '9783']

3819, 7, 5747, 19, 4, 2419, 10, 2, 22, 14, 7423, 6429, 26, 17, 1153, 3405, 6553, 4039, 6089, 22, 6479, 24, 9, 24, 557, 19, 1, 101, 2267, 10, 5279, 5095, 6, 1119, 4393, 9783