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]: ['4647', '3833', '9203', '8189', '6519', 'R', '4503', '2261', 'T', 'W', '6593', 'V', 'i']
[EX A]: 4647, 3833, 9203, 8189, 6519, 18, 4503, 2261, 20, 23, 6593, 22, 9

[EX Q]: ['5209', 'd', 'C', 'x', '851', 'M', '8489', '9989', '6033', 'L', 'E', '9201', 'u', 'h', '1279', '9283', '9873', '259', '5015', '9735', 'R', 'J', '637', '4785', 'E', '4893', 'K', 'O']
[EX A]: 5209, 4, 3, 24, 851, 13, 8489, 9989, 6033, 12, 5, 9201, 21, 8, 1279, 9283, 9873, 259, 5015, 9735, 18, 10, 637, 4785, 5, 4893, 11, 15

[EX Q]: ['D', '6993', 'N', '3761', 'C', 'o', '669', '8637', '9965', 'p', 'I', '1279', 'r', '7845', 'j', 'O', '6067', '675', '8553', '1351', '487', '7411', 'I', 'w', 'm', 'u', 'P', 's']
[EX A]:
4, 6993, 14, 3761, 3, 15, 669, 8637, 9965, 16, 9, 1279, 18, 7845, 10, 15, 6067, 675, 8553, 1351, 487, 7411, 9, 23, 13, 21, 16, 19