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.

Q: ['5671', 'O', 'r', '2473', '9907', '9515', '9817', 'E', '5479', 'G', '6493', '7015']

A: 5671, 15, 18, 2473, 9907, 9515, 9817, 5, 5479, 7, 6493, 7015
****
Q: ['2581', 'X', '3249', '753', '5639']

A: 2581, 24, 3249, 753, 5639
****
Q: ['M', 'H', 'D', '9421', '955', 'C', 'x', '4731', '2847', 'J', '6887', '2023', '6135', '8075']

A:
13, 8, 4, 9421, 955, 3, 24, 4731, 2847, 10, 6887, 2023, 6135, 8075
****