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.
Input: ['5923', 'U', 'M', '165', 'd', 'T', 'J', '8237', '7727', '3789', 'L', 'd', '7863', '5087', 'D', 'r', 'P', 'w', '8891', 'm', '8661', 'l', '6311', '9677', '8313', '8779', '6007', '8769', '7261', '7779', '9597', 'a', '7205', 'N', 'a', 'h']

5923, 21, 13, 165, 4, 20, 10, 8237, 7727, 3789, 12, 4, 7863, 5087, 4, 18, 16, 23, 8891, 13, 8661, 12, 6311, 9677, 8313, 8779, 6007, 8769, 7261, 7779, 9597, 1, 7205, 14, 1, 8