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: ['L', 'm', '7067', '6191', 'N', 'M', 's']

SOLUTION: 12, 13, 7067, 6191, 14, 13, 19

PROBLEM: ['I', 'c', '5325', '3723', 'r', '3613', '4509', '1935', 'l', '8285', 'r', '9159', '3557', 'z', '5397', '3805', 'S', 'f', 'L', '5169', '1893', 'I', '3845', 'C', '2679', '3489', '7829', 'V', '3589', '7651', '1185', '5641', 'F', 'h', 'Q', '1807']

SOLUTION: 9, 3, 5325, 3723, 18, 3613, 4509, 1935, 12, 8285, 18, 9159, 3557, 26, 5397, 3805, 19, 6, 12, 5169, 1893, 9, 3845, 3, 2679, 3489, 7829, 22, 3589, 7651, 1185, 5641, 6, 8, 17, 1807

PROBLEM: ['4427', 'd', 'S', '5793', 'P', '2073', 'b', '1291', '877', 'V', 'k', '5687', '2657', 'k']

SOLUTION:
4427, 4, 19, 5793, 16, 2073, 2, 1291, 877, 22, 11, 5687, 2657, 11