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.

['l', 'U', 'b', 'j', 'j', 'd', 'E', '3481', '4597', '4893', 's', '5127', 'M', 'V', '5671', '7459', 'd', '131', '9891', 'p', '611', 'B', '929', '6925', '4529', 'X', 'z', '8555', 'J', 'h', 'p', '5897', '1129', 'd', 'F', '8161', '7003', 'B']
12, 21, 2, 10, 10, 4, 5, 3481, 4597, 4893, 19, 5127, 13, 22, 5671, 7459, 4, 131, 9891, 16, 611, 2, 929, 6925, 4529, 24, 26, 8555, 10, 8, 16, 5897, 1129, 4, 6, 8161, 7003, 2

['2087', '5779', 'O', 'F', '8401', '2949', 'e', 'z', '1513', 'z', '3941', '2587', 'w', 'p', 'i', '3233', 'D']
2087, 5779, 15, 6, 8401, 2949, 5, 26, 1513, 26, 3941, 2587, 23, 16, 9, 3233, 4

['3829', 's', 'v', '2563', 'N', '2473', '9701', 'Z', '3405', 'V', '7493', 'F', 'I', '7113', 'o', 'K', 'g', '9467', 'z', '3141', '8177', '2899', 'm', '8591', '7541', '2459', '725', 'w', 'f', '7217']

3829, 19, 22, 2563, 14, 2473, 9701, 26, 3405, 22, 7493, 6, 9, 7113, 15, 11, 7, 9467, 26, 3141, 8177, 2899, 13, 8591, 7541, 2459, 725, 23, 6, 7217