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.

[Q]: ['a', 'f', 'k', '2457', 'l', 'P', 'b', '7883', '3743']
[A]: 1, 6, 11, 2457, 12, 16, 2, 7883, 3743


[Q]: ['J', '2611', '9365', 'E', 'c', '6117', '6405']
[A]: 10, 2611, 9365, 5, 3, 6117, 6405


[Q]: ['3003', '6631', 's', '5685', '2819', 'S', 'e', 'w', 'U']
[A]:
3003, 6631, 19, 5685, 2819, 19, 5, 23, 21