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.

[Q]: ['b', 'a', 'v', 'W', 'R', '2221', 'N', '9463', 'Z', 'd', 'u', '9345']
[A]: 2, 1, 22, 23, 18, 2221, 14, 9463, 26, 4, 21, 9345


[Q]: ['T', 'a', 'B', '3407', 'z', 'B', 'f', '4063', '8889', '3125']
[A]: 20, 1, 2, 3407, 26, 2, 6, 4063, 8889, 3125


[Q]: ['W', '1999', 'f', '4837', '1621', 'w', '4665', '9379', '5529', 'w', '1783', '6273', 'N', 'b', 'M', 'B', '7983', '5145', '4891', '2845', 'j', '8647', 'q', '7335', '7285', '6209']
[A]:
23, 1999, 6, 4837, 1621, 23, 4665, 9379, 5529, 23, 1783, 6273, 14, 2, 13, 2, 7983, 5145, 4891, 2845, 10, 8647, 17, 7335, 7285, 6209