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', 'P', '1043', 'q', 'O', '295', '8991', 'l', 'L', '6227', 'x', '6161', 'p', '9621']
[EX A]: 16, 16, 1043, 17, 15, 295, 8991, 12, 12, 6227, 24, 6161, 16, 9621

[EX Q]: ['7923', '333', 'e', 'v', '5021']
[EX A]: 7923, 333, 5, 22, 5021

[EX Q]: ['B', 'o', '3387', '5901', 'l', '9053', 'H', '1875']
[EX A]:
2, 15, 3387, 5901, 12, 9053, 8, 1875