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.

[EX Q]: ['y', 'M', 'X', '6399', '8383', '4459']
[EX A]: 25, 13, 24, 6399, 8383, 4459

[EX Q]: ['A', '6307', 'n', 'U', '5179', 'X', 'N', '767', '8273', 'r', '7055', '9371', 'u', '7479', 'p', '9961', '3547', 'X', '8445']
[EX A]: 1, 6307, 14, 21, 5179, 24, 14, 767, 8273, 18, 7055, 9371, 21, 7479, 16, 9961, 3547, 24, 8445

[EX Q]: ['3609', 'S', '6199', 'p', 'a', '4855', 'S', '7811', '9995', 'f', '5945', '4649', 'j', 'f', '3445', 'U', '957', 's', '723', '8669', '1257', 't', 'F']
[EX A]:
3609, 19, 6199, 16, 1, 4855, 19, 7811, 9995, 6, 5945, 4649, 10, 6, 3445, 21, 957, 19, 723, 8669, 1257, 20, 6