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.

['2883', 'o', '7511', '2913', '4201', 'T', '9227', '3371', 'd', 'H', 'i', 'X', '5763', 'P', '7653', 'u', '4855', 'C', 'n', 'g', 'w', 's', '8369', '579', '2193', '1405', 'r', '2443', 'm', '5421']
2883, 15, 7511, 2913, 4201, 20, 9227, 3371, 4, 8, 9, 24, 5763, 16, 7653, 21, 4855, 3, 14, 7, 23, 19, 8369, 579, 2193, 1405, 18, 2443, 13, 5421

['2485', '8367', '1121', 'n', 'a', '1313', '8521', 'Y', '1873', 'Y', '3095', '4083', '7549', '2301', 'p', '3147', '2893', 'r', 'm', '5041', '8219', '2345', 'T', '4267', '7513', 'l', '5209', '8385', '2791', 'h', 'S', 's']
2485, 8367, 1121, 14, 1, 1313, 8521, 25, 1873, 25, 3095, 4083, 7549, 2301, 16, 3147, 2893, 18, 13, 5041, 8219, 2345, 20, 4267, 7513, 12, 5209, 8385, 2791, 8, 19, 19

['Z', 'W', 'E', '5559', 'Y', '6769', '1401', 'r', '3107', '1631', 'M', '151', '2757', 'o']

26, 23, 5, 5559, 25, 6769, 1401, 18, 3107, 1631, 13, 151, 2757, 15