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: ['j', '5423', '9169', '1843', '1627', 'Q', '4129', 'X', 'Y', 'p', 'f']

10, 5423, 9169, 1843, 1627, 17, 4129, 24, 25, 16, 6