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', 'W', 'j', '6357', '9283', 'O', 'l', 'D', '8589', '2199', 'X', '9731', '1923']
[EX A]: 16, 23, 10, 6357, 9283, 15, 12, 4, 8589, 2199, 24, 9731, 1923

[EX Q]: ['8897', '4785', 't', '6549', 'r', '9073', 'B']
[EX A]: 8897, 4785, 20, 6549, 18, 9073, 2

[EX Q]: ['B', '4831', 'b', 't', 'P', 'l', '4863', 'C', 'r', 'r']
[EX A]:
2, 4831, 2, 20, 16, 12, 4863, 3, 18, 18