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]: ['9007', '1763', '6967', '4893', 'Z', '993', 'M', '8521', 'I', 'Z', '735', 'L', 'M', '1811', 'n', 'S', 'U', 'S', '4891', '3915']
[EX A]: 9007, 1763, 6967, 4893, 26, 993, 13, 8521, 9, 26, 735, 12, 13, 1811, 14, 19, 21, 19, 4891, 3915

[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]: ['U', '2281', '5375', 'Y', 'J', 'V', 'N', '5719', 'J', 'L', '1733', 'I', 'N', '3627', '8117', '7715', '6017', '1513', '185', 'Z', '8775', 'R', '4825', '6923', 'c', '8575', 'x', '4539', 'u', 'q', 'K', 'M', 'K']
[EX A]:
21, 2281, 5375, 25, 10, 22, 14, 5719, 10, 12, 1733, 9, 14, 3627, 8117, 7715, 6017, 1513, 185, 26, 8775, 18, 4825, 6923, 3, 8575, 24, 4539, 21, 17, 11, 13, 11