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]: ['u', '6687', '2277', 'o', '7787', 'Z', 'b', 'I', '9983', 'N']
[EX A]: 21, 6687, 2277, 15, 7787, 26, 2, 9, 9983, 14

[EX Q]: ['4599', 'V', '2005', 'k']
[EX A]: 4599, 22, 2005, 11

[EX Q]: ['1977', 'z']
[EX A]:
1977, 26