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]: ['9419', 't', '9383', 'o', 'Y', 'T', '5949', 's', '1957', 'O', 'w', '3573', 'W', 's', '9431', 'c', '6711']
[EX A]: 9419, 20, 9383, 15, 25, 20, 5949, 19, 1957, 15, 23, 3573, 23, 19, 9431, 3, 6711

[EX Q]: ['9003', 'i', '881', 'l', 'f', '2663', '1619', 'Y', 'E', 'W', '2869', 'k', 'v', 'c', '9423', 'S', 'G', 'C', 's', '4311', '531', '9789', '937', 'F']
[EX A]: 9003, 9, 881, 12, 6, 2663, 1619, 25, 5, 23, 2869, 11, 22, 3, 9423, 19, 7, 3, 19, 4311, 531, 9789, 937, 6

[EX Q]: ['7757', 'b', '1917', 'l', 'c', '1945', 'T', '2211', 'r', '8029', 'K', '8531', 'r', 'W', '2713', '1817', 'w', 't', '6047', '5081', '8087', 'N', 'L', '5053']
[EX A]:
7757, 2, 1917, 12, 3, 1945, 20, 2211, 18, 8029, 11, 8531, 18, 23, 2713, 1817, 23, 20, 6047, 5081, 8087, 14, 12, 5053