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]: ['f', 'a', 'v', '4929', 'a', 'Q', 'G', 'o', '281', '401', '4089', '6131', 's', 'W', 'N', '9093', '6781', '7527', '3315', 'a']
[EX A]: 6, 1, 22, 4929, 1, 17, 7, 15, 281, 401, 4089, 6131, 19, 23, 14, 9093, 6781, 7527, 3315, 1

[EX Q]: ['U', '6153', 'e', 'C', '6445', '1229', '9463', 'U', 'O', 'd', 'h', 'r', '1221', 'q', 's', '151']
[EX A]: 21, 6153, 5, 3, 6445, 1229, 9463, 21, 15, 4, 8, 18, 1221, 17, 19, 151

[EX Q]: ['I', 'W', '5203', '1981', 'e', 'o', 'D', '6287', '1415', '5175', 'H', 'N', '4299', '3391', 'H', 'I', 'e', 'u', 'Y', '7025', 'd', 'X', '1127', '5165', '4349', 'w', '9421', 't', 'E', 'a', '7135', '3691', 'A', 'S', '2559', 'P', 'E']
[EX A]:
9, 23, 5203, 1981, 5, 15, 4, 6287, 1415, 5175, 8, 14, 4299, 3391, 8, 9, 5, 21, 25, 7025, 4, 24, 1127, 5165, 4349, 23, 9421, 20, 5, 1, 7135, 3691, 1, 19, 2559, 16, 5