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: ['1563', '949', 'E', 'T', '5751', '7039', '2057', '5117', 'q', 'j', '895', '9935', 'O', 'U', '2413', 'p', 'm', '1681', 'c', 'k', 'b', 'g', 'A', 'v', '5637', 'a', 'w', '1687', '5985']

SOLUTION: 1563, 949, 5, 20, 5751, 7039, 2057, 5117, 17, 10, 895, 9935, 15, 21, 2413, 16, 13, 1681, 3, 11, 2, 7, 1, 22, 5637, 1, 23, 1687, 5985

PROBLEM: ['1051', 'w', '1375', '3821', 'n', 'd', '9069', 'u', 'A', 'C', 'c', 'T', '3663', '3711', '6511', 'i', '245', 'T', '1047', '4195', '3705']

SOLUTION: 1051, 23, 1375, 3821, 14, 4, 9069, 21, 1, 3, 3, 20, 3663, 3711, 6511, 9, 245, 20, 1047, 4195, 3705

PROBLEM: ['G', 'E', '9565', '4099', '6593', 'B', '7109', 'B', 'W', 'h', '579', '39', '1055', '5545', 'z', '7647', '9735', 'P']

SOLUTION:
7, 5, 9565, 4099, 6593, 2, 7109, 2, 23, 8, 579, 39, 1055, 5545, 26, 7647, 9735, 16