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: ['w', '5345', '5197', 'p', 'l', 'A', '8251', '8791', '7259', 'r', 'N', 'i', 'i', 'V', 'T', '4505', 'H', '5665', '7769', 'e', '7065', 'f', '9279', '8043']

23, 5345, 5197, 16, 12, 1, 8251, 8791, 7259, 18, 14, 9, 9, 22, 20, 4505, 8, 5665, 7769, 5, 7065, 6, 9279, 8043