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]: ['P', '2877', 'r', 'e', 'n', 'A', '4115', '6491', 'N', '5689', 'x', '87', 'A', '7575', '7175', 'D', 'e', 'L', 'p', '6671', '4921', 'A', '7255', '4653', 'u']
[EX A]: 16, 2877, 18, 5, 14, 1, 4115, 6491, 14, 5689, 24, 87, 1, 7575, 7175, 4, 5, 12, 16, 6671, 4921, 1, 7255, 4653, 21

[EX Q]: ['9973', '4501', '3257', '7393', '2041', '1173', 'f', '3299', '1399', 'S', 'a', '7829', '2557', '6051', '7063', '2537', 'k', 'b', 'W', '9133', 'd']
[EX A]: 9973, 4501, 3257, 7393, 2041, 1173, 6, 3299, 1399, 19, 1, 7829, 2557, 6051, 7063, 2537, 11, 2, 23, 9133, 4

[EX Q]: ['y', 'Z', 'R', '1697', 'd', '9765', '5483', '3729', 'l', '727', 'j', 'u', 'E', 'n', '103', '4897', '9583', 'x', '5367', 'l', '7671', '4251', 'J', '8827', 'q', 'r', '8671', '1331', 'i', '7915', '1985', '525', 'B', 'x']
[EX A]:
25, 26, 18, 1697, 4, 9765, 5483, 3729, 12, 727, 10, 21, 5, 14, 103, 4897, 9583, 24, 5367, 12, 7671, 4251, 10, 8827, 17, 18, 8671, 1331, 9, 7915, 1985, 525, 2, 24