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]: ['3415', 'V', 'b', 'y', 'D', '345', '3149']
[EX A]: 3415, 22, 2, 25, 4, 345, 3149

[EX Q]: ['n', 'O', '8931', 'O', '887', 'n', '4103', '5991', '9925', '6213', '9739', '5767', 'r', 'x', 'v', 'M', 'S', '3303', '4583', '3347', '9277', '899', '9321']
[EX A]: 14, 15, 8931, 15, 887, 14, 4103, 5991, 9925, 6213, 9739, 5767, 18, 24, 22, 13, 19, 3303, 4583, 3347, 9277, 899, 9321

[EX Q]: ['8689', 'C', 'O', '5333', '8891', 'k', 'D', 'H', 'c', 'R', 'x', '993', '7153', 'N', 'T', 'N', '7673', '9317', '2571', '7471', 'Z', '2851', 's', '5215', 'W', '4805']
[EX A]:
8689, 3, 15, 5333, 8891, 11, 4, 8, 3, 18, 24, 993, 7153, 14, 20, 14, 7673, 9317, 2571, 7471, 26, 2851, 19, 5215, 23, 4805