TASK DEFINITION: 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.
PROBLEM: ['9003', 'i', '881', 'l', 'f', '2663', '1619', 'Y', 'E', 'W', '2869', 'k', 'v', 'c', '9423', 'S', 'G', 'C', 's', '4311', '531', '9789', '937', 'F']

SOLUTION: 9003, 9, 881, 12, 6, 2663, 1619, 25, 5, 23, 2869, 11, 22, 3, 9423, 19, 7, 3, 19, 4311, 531, 9789, 937, 6

PROBLEM: ['Q', 'o', '1187', 'j', '4579', '6967', 'A', 'x', 'D', 'd', '5667', '3979', '981', '1105', 'w', '1855', 'C', '4053', 'n', '375', 'r', '5649', 'X', '4873', '6823', '1311', '8729', '7287', 'n', '8045', '8607', '6037', 'w', 'w']

SOLUTION: 17, 15, 1187, 10, 4579, 6967, 1, 24, 4, 4, 5667, 3979, 981, 1105, 23, 1855, 3, 4053, 14, 375, 18, 5649, 24, 4873, 6823, 1311, 8729, 7287, 14, 8045, 8607, 6037, 23, 23

PROBLEM: ['7087', '2853', 'h', 'h', '565', '8791', 'y', 'l', 'v', '825', '7003', '6443', 'k', '2213', '6705', 'm', 'm', '9421', 'n', '6543', 'f', 'T']

SOLUTION:
7087, 2853, 8, 8, 565, 8791, 25, 12, 22, 825, 7003, 6443, 11, 2213, 6705, 13, 13, 9421, 14, 6543, 6, 20