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: ['a', 'K', '9581', 'v', 'p', 'I', '2579', '7467', '2267', '3839', '9615', 'k', 'l', 'X', 'I']

SOLUTION: 1, 11, 9581, 22, 16, 9, 2579, 7467, 2267, 3839, 9615, 11, 12, 24, 9

PROBLEM: ['S', '9045', 't', '5295', 'f', 'I', '3665', '1081', 'G', '8727', '4303', '7329', '269', 'H', 'G', 'T', '279', '7527', '1711', '3495', '39', 'V', '3595', '5965', '515', 'M', '6721', '5481', '6695', '8925', 'L', 'c', '6111', 'A', 'k', '1117', 'R', '9247', '9045', '1471']

SOLUTION: 19, 9045, 20, 5295, 6, 9, 3665, 1081, 7, 8727, 4303, 7329, 269, 8, 7, 20, 279, 7527, 1711, 3495, 39, 22, 3595, 5965, 515, 13, 6721, 5481, 6695, 8925, 12, 3, 6111, 1, 11, 1117, 18, 9247, 9045, 1471

PROBLEM: ['6307', 'A', '7033', '9519', 'n', '9453', 'n', 'K', '9915', '1193', 'v', '1669', '537', '3477', '423']

SOLUTION:
6307, 1, 7033, 9519, 14, 9453, 14, 11, 9915, 1193, 22, 1669, 537, 3477, 423