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.

Example Input: ['5209', 'd', 'C', 'x', '851', 'M', '8489', '9989', '6033', 'L', 'E', '9201', 'u', 'h', '1279', '9283', '9873', '259', '5015', '9735', 'R', 'J', '637', '4785', 'E', '4893', 'K', 'O']
Example Output: 5209, 4, 3, 24, 851, 13, 8489, 9989, 6033, 12, 5, 9201, 21, 8, 1279, 9283, 9873, 259, 5015, 9735, 18, 10, 637, 4785, 5, 4893, 11, 15

Example Input: ['z', 'T', '6539', '4753', '9599', '2879', 'q', 'G', 'r', 'B', '1233', '1939', 'X', '4005', 'i', '8585', 'B', '2503', 'm', 'l', '4169', '805', '8221', 'M', 'D', 'N', '6359', '2817', '6441', '7501', '9015', 'I', 'I']
Example Output: 26, 20, 6539, 4753, 9599, 2879, 17, 7, 18, 2, 1233, 1939, 24, 4005, 9, 8585, 2, 2503, 13, 12, 4169, 805, 8221, 13, 4, 14, 6359, 2817, 6441, 7501, 9015, 9, 9

Example Input: ['3507', 'E', '6355', 'b', '9193', 'u', '249', 't', '2075', '7163', 'Z', 'm', 'M', '895', '9609', '4357', '7131', 'Q', '5231', 'h', '5511', '9355', '1369', 'O', 'Q', '6851', 'k', '659', '5297', '6175']
Example Output:
3507, 5, 6355, 2, 9193, 21, 249, 20, 2075, 7163, 26, 13, 13, 895, 9609, 4357, 7131, 17, 5231, 8, 5511, 9355, 1369, 15, 17, 6851, 11, 659, 5297, 6175