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.

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

['C', 'M', 'H', '447', 'j', '8349', 'w', '5441', '2317', '3949', '119', 'Q', 'A', '9175', 'p', 'N', 'Y', 'b', '1281', 'R']
3, 13, 8, 447, 10, 8349, 23, 5441, 2317, 3949, 119, 17, 1, 9175, 16, 14, 25, 2, 1281, 18

['G', 'O', '6567', 'Z', '8421', 'h', '5415', 'f', 'G', '9477', 's', 'd', '9037', 'g', 'M', 'z', '6753', '3457', 'K', 'h', 'Q', '5491', '1467', 't', '8981', 'q', 'm', 'e', '7055', '4325']

7, 15, 6567, 26, 8421, 8, 5415, 6, 7, 9477, 19, 4, 9037, 7, 13, 26, 6753, 3457, 11, 8, 17, 5491, 1467, 20, 8981, 17, 13, 5, 7055, 4325