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.

[EX Q]: ['5671', 'O', 'r', '2473', '9907', '9515', '9817', 'E', '5479', 'G', '6493', '7015']
[EX A]: 5671, 15, 18, 2473, 9907, 9515, 9817, 5, 5479, 7, 6493, 7015

[EX Q]: ['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']
[EX A]: 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

[EX Q]: ['4895', 'o', 'y', 'z', 'E', '2659', 'N', '8585', 'v', 'W', 'j', 't', '1617', '4989', 'O', 'B', '5307', 'h', 'H', '5815', '8597', '5187', '2061', 'B', 'm', 'A', 'B', '5183', '2255', '5819', 'n', 'S']
[EX A]:
4895, 15, 25, 26, 5, 2659, 14, 8585, 22, 23, 10, 20, 1617, 4989, 15, 2, 5307, 8, 8, 5815, 8597, 5187, 2061, 2, 13, 1, 2, 5183, 2255, 5819, 14, 19