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: ['2955', 's', 'T', '1409', 'M', '9043', '541', '9853', 'r', '3593', '6335', 'm', 'e', 'p', 'o', 'j', '7619', '7759', '1985', 'h', 'u', 'Q', 'M', '9115', 'b', '689', 'S', '461', '9543', 'h', 'k', 'Q', 'U', 'A', 'y']

2955, 19, 20, 1409, 13, 9043, 541, 9853, 18, 3593, 6335, 13, 5, 16, 15, 10, 7619, 7759, 1985, 8, 21, 17, 13, 9115, 2, 689, 19, 461, 9543, 8, 11, 17, 21, 1, 25