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]: ['8315', '3189', 'j', 'n', 't', 'U', '4163', 'z', '4013', '3159', '8169', '8649', '431', '6291', '1107', '9565', 'm', '1835', '3']
[EX A]: 8315, 3189, 10, 14, 20, 21, 4163, 26, 4013, 3159, 8169, 8649, 431, 6291, 1107, 9565, 13, 1835, 3

[EX Q]: ['r', 'X', '9099', '4213', '2837', '219', 'F', '6667', 'p', '7045', '5235', '5873', 'b', '9751', 'S', 'S', '8831', '4185', 'w', 't', '2213', 'm', '2967', 'g', '3863', '4693', 'z', '747', '8909']
[EX A]: 18, 24, 9099, 4213, 2837, 219, 6, 6667, 16, 7045, 5235, 5873, 2, 9751, 19, 19, 8831, 4185, 23, 20, 2213, 13, 2967, 7, 3863, 4693, 26, 747, 8909

[EX Q]: ['R', '2503', '2729', 'l', 'B', 'D', '8609', '8035', '7263', 'O', '499', '7535', '553', '4859', 'j', '1767', '4153', '9031']
[EX A]:
18, 2503, 2729, 12, 2, 4, 8609, 8035, 7263, 15, 499, 7535, 553, 4859, 10, 1767, 4153, 9031