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.

['7127', '6275', '9527', 'l', 'J', '6051', 'k', 'y', 'W', '3467', '4027', '9027', 'R', 'k', 'p', '7191', 'h', 'y']
7127, 6275, 9527, 12, 10, 6051, 11, 25, 23, 3467, 4027, 9027, 18, 11, 16, 7191, 8, 25

['A', '8443', '6489', '2375', 'X', 'z', 'G', '455', '7057', '1901', '9045', 'I', 'L', 'j', '9079', '3525', 'H', '691', '1215', '801', 'T', 'J', 'a', '2543', '6805', '651', 'R', 'r', 'Z', 'h', '1697', '9797', '5989', '5501', '6929', '997']
1, 8443, 6489, 2375, 24, 26, 7, 455, 7057, 1901, 9045, 9, 12, 10, 9079, 3525, 8, 691, 1215, 801, 20, 10, 1, 2543, 6805, 651, 18, 18, 26, 8, 1697, 9797, 5989, 5501, 6929, 997

['2463', '9371', '5863', '3181', '4781', '7433', '9465', '4269', 'V', 'b', 'n', 'X', '6369', 'f', 'u', '9507', 'G', '4823', '8641', '2191', 'o']

2463, 9371, 5863, 3181, 4781, 7433, 9465, 4269, 22, 2, 14, 24, 6369, 6, 21, 9507, 7, 4823, 8641, 2191, 15