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', '8619', 'v', '8727', '779', 'S', 'u', 'P', '2811', 'h', '2029', 'M', 'Y', '4547', 'B', 'J', '3157', '2629', '465']
[EX A]: 1, 8619, 22, 8727, 779, 19, 21, 16, 2811, 8, 2029, 13, 25, 4547, 2, 10, 3157, 2629, 465

[EX Q]: ['8351', 'T', '1267', 'L', '7099', '417', '4395', 'K', '9041', '1153', '6823', 'z', 'G', 'g', 'j', '8651', 'W', '4793', 'v', '5383']
[EX A]:
8351, 20, 1267, 12, 7099, 417, 4395, 11, 9041, 1153, 6823, 26, 7, 7, 10, 8651, 23, 4793, 22, 5383