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: ['X', 'F', 'o', 'i', 'z', '3875', 'R', '5985', '465', 'V', 'o', 'n', 'y', '8549', '7781', '8217', 'C', '8089', 'M', 'O', 'B', 'b']

SOLUTION: 24, 6, 15, 9, 26, 3875, 18, 5985, 465, 22, 15, 14, 25, 8549, 7781, 8217, 3, 8089, 13, 15, 2, 2

PROBLEM: ['r', '893', 'v', '9625', 'g', 'y', '6757']

SOLUTION: 18, 893, 22, 9625, 7, 25, 6757

PROBLEM: ['7061', '5857', 'V', 'k', 'N', '4711', 's', '6883', '1971', '2181', '7797', '8327', 'l', '5015', 'y', 'P', 'G', '2781', '1835', '745', 'd', 'c', '595', '7335', '6619', '6215', 'b', '1151', 'z', '6817', '4439']

SOLUTION:
7061, 5857, 22, 11, 14, 4711, 19, 6883, 1971, 2181, 7797, 8327, 12, 5015, 25, 16, 7, 2781, 1835, 745, 4, 3, 595, 7335, 6619, 6215, 2, 1151, 26, 6817, 4439