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', '855', 'x', 'E', '6569', 'P', '2985', '767', '6427', '4061', '2493', 'Z', 'u', '8289', '5901', '3755', 'd', '4015', '1181']
[EX A]: 20, 855, 24, 5, 6569, 16, 2985, 767, 6427, 4061, 2493, 26, 21, 8289, 5901, 3755, 4, 4015, 1181

[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]: ['f', '7783', '1429', '3137', 'O', '4863', 'X', '9875', 'i', 'z', '8897', 'd', '3169', 'M', 'Q', '4245', 'U', 'z', '7535', 'r', 'f', '9073', '8085', '5515', '5173', 'Y', '6985', 'J', 'x', '6023']
[EX A]:
6, 7783, 1429, 3137, 15, 4863, 24, 9875, 9, 26, 8897, 4, 3169, 13, 17, 4245, 21, 26, 7535, 18, 6, 9073, 8085, 5515, 5173, 25, 6985, 10, 24, 6023