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]: ['m', 'L', '7455', 'F', '8023', 'Y', '5859']
[A]: 13, 12, 7455, 6, 8023, 25, 5859

[Q]: ['1207', 'B', '4273', '7081', '6009', '3933', '5589', '1543', '2631']
[A]: 1207, 2, 4273, 7081, 6009, 3933, 5589, 1543, 2631

[Q]: ['4543', 'e', '9589', 'h', 'a', '3761', '3917', '5703', 'Y', '2331', 'o', '6267', 'o', '3555', '8543', '7181', '9155', '6607', '9017', 'X']
[A]:
4543, 5, 9589, 8, 1, 3761, 3917, 5703, 25, 2331, 15, 6267, 15, 3555, 8543, 7181, 9155, 6607, 9017, 24