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', '4835', '1853', 'K', '6753', '6465', 'D', 'z', 'n', '8873', '1343', '5241', '7227', '8789', 'S', '6321', '1605', '2109', '8515', 'F', 'X', 's', 'Q', '7335', '3895', 'L', 'v', 'T', 'T', '1397', '765', '1105', 'F', 'g', 'd', '1783']

10, 4835, 1853, 11, 6753, 6465, 4, 26, 14, 8873, 1343, 5241, 7227, 8789, 19, 6321, 1605, 2109, 8515, 6, 24, 19, 17, 7335, 3895, 12, 22, 20, 20, 1397, 765, 1105, 6, 7, 4, 1783