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]: ['t', '5153', 'I', '5033', 'W', 'D', 'R', '3547', 'p', '269', 'J', 'a', 'O', 'L', '8845', 'E', 'Z', '1983', '3045']
[EX A]: 20, 5153, 9, 5033, 23, 4, 18, 3547, 16, 269, 10, 1, 15, 12, 8845, 5, 26, 1983, 3045

[EX Q]: ['3815', '6963', '1481', 'i', 'N', 'S', '1029', '3511', 'H', 'M', '2701', '8769', '1927']
[EX A]: 3815, 6963, 1481, 9, 14, 19, 1029, 3511, 8, 13, 2701, 8769, 1927

[EX Q]: ['Q', 'T', 'Z', '9365', 'Y', '5311', '887', 'e', '9451', 'T', '1307', 'Z', 'P', 'L', 'f', 'H', 'm', '3907', '9263', '1457', 'z', '2079', 'L', '9877', 'f', '4649', '1415', '4723', 'V', 'h', '6903']
[EX A]:
17, 20, 26, 9365, 25, 5311, 887, 5, 9451, 20, 1307, 26, 16, 12, 6, 8, 13, 3907, 9263, 1457, 26, 2079, 12, 9877, 6, 4649, 1415, 4723, 22, 8, 6903