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]: ['3839', 'z', 'y', 'T', 'v', 'w', '2469', '2651', '499', '7407', 'O', 'Q', 'e']
[EX A]: 3839, 26, 25, 20, 22, 23, 2469, 2651, 499, 7407, 15, 17, 5

[EX Q]: ['5151', '8663', '4373', 'L', '5491', '123', 'l', 'E', 'b', '3047', 'o']
[EX A]: 5151, 8663, 4373, 12, 5491, 123, 12, 5, 2, 3047, 15

[EX Q]: ['7029', 'E', 'I', '5123', 'p', 'n', '6859', 't', 'f', '1171', '4573', '9479', 'h', 'Y', '1133', '7847', 'a']
[EX A]:
7029, 5, 9, 5123, 16, 14, 6859, 20, 6, 1171, 4573, 9479, 8, 25, 1133, 7847, 1