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', '7957', 'O', '8789', '8949', '4743', 'y', '9109', '3035', '5595', 'S', '5775', 'm', '5117', '1401', '3387', '3919', 'Q', 'w', 'i', 'r', '5453', 'c', '9475', 'K', '4903', 'z', '2385', 'X', '7259', '3533', 'H', 'f', '1583', 'd', 'N', '4533']

2955, 7957, 15, 8789, 8949, 4743, 25, 9109, 3035, 5595, 19, 5775, 13, 5117, 1401, 3387, 3919, 17, 23, 9, 18, 5453, 3, 9475, 11, 4903, 26, 2385, 24, 7259, 3533, 8, 6, 1583, 4, 14, 4533