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]: ['7469', 'F', 'f', 'O', 'X', 'A', 'j', 'u', '4763', 'o', '4451', 'S', '9469', '1779', '8089', 'D', 'n', 'R', 'm', '8465', '5865', '6759', 'Y', 'w', 'H', '5547', 'V', 'j', '3747', '3865', '549', 'r', '4383', '9179', '6307', '9723', 'J', 'p']
[EX A]: 7469, 6, 6, 15, 24, 1, 10, 21, 4763, 15, 4451, 19, 9469, 1779, 8089, 4, 14, 18, 13, 8465, 5865, 6759, 25, 23, 8, 5547, 22, 10, 3747, 3865, 549, 18, 4383, 9179, 6307, 9723, 10, 16

[EX Q]: ['r', '4281', '91']
[EX A]: 18, 4281, 91

[EX Q]: ['q', '503', '5885', '5181', '3151', 'X', 'K', 'Y', '4011', '6221', 'l', '4115', 'M', '735', '9379', 'A', '549']
[EX A]:
17, 503, 5885, 5181, 3151, 24, 11, 25, 4011, 6221, 12, 4115, 13, 735, 9379, 1, 549