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]: ['2105', 'h', '2769', '8309', '9003', 't', 'U', '1993', '2859', '3295', 't', 'T', '8943', '7385', '1667', 'd', '7453', 'D', 'A', 'd', 'J', 'h', 'V', 'F', 'x', 'f', '4003', '8121']
[EX A]: 2105, 8, 2769, 8309, 9003, 20, 21, 1993, 2859, 3295, 20, 20, 8943, 7385, 1667, 4, 7453, 4, 1, 4, 10, 8, 22, 6, 24, 6, 4003, 8121

[EX Q]: ['b', 'u', 'r', '3453', '1663', 'b', '651', 'R', 'U', 'U', 'a', 'b', '2769', 'C']
[EX A]: 2, 21, 18, 3453, 1663, 2, 651, 18, 21, 21, 1, 2, 2769, 3

[EX Q]: ['F', '6443', '3493', '5805', '3575', 'I']
[EX A]:
6, 6443, 3493, 5805, 3575, 9