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]: ['Z', 'b']
[EX A]: 26, 2

[EX Q]: ['7511', 'c', '5999', 'j', '2265', 'E', '9905', '1861', '8743', '873']
[EX A]: 7511, 3, 5999, 10, 2265, 5, 9905, 1861, 8743, 873

[EX Q]: ['M', '7525', 'V', 'Z', 'I', '8509', '1129', 'c', '1865', '6523', '4877', 'B', '7769', '2313', 'D', '4671', '473', 'w']
[EX A]:
13, 7525, 22, 26, 9, 8509, 1129, 3, 1865, 6523, 4877, 2, 7769, 2313, 4, 4671, 473, 23