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', 'M', '4265', 'P', 'e', 'W', 'I', '7481', 'a', 'L', 'w', '2891', '347', '6469', 'T', 'I', '7517', '9357', 'v', 'd', 'N', 'S', 'G', '4715', '235', '359']

SOLUTION: 1, 13, 4265, 16, 5, 23, 9, 7481, 1, 12, 23, 2891, 347, 6469, 20, 9, 7517, 9357, 22, 4, 14, 19, 7, 4715, 235, 359

PROBLEM: ['6953', 'b', 'q', '4389', '895', 'H', '8783']

SOLUTION: 6953, 2, 17, 4389, 895, 8, 8783

PROBLEM: ['9815', '5507', '8181', 'q', 'E', '145', 'r', 'N', 'd', 'w', 'Z', '623', 'F', '5579', 'b', '8803']

SOLUTION:
9815, 5507, 8181, 17, 5, 145, 18, 14, 4, 23, 26, 623, 6, 5579, 2, 8803