Definition: 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.
Input: ['9375', '9901', '2239', '9285', '7591', 'V', '1755', '2775', '9451', 'o', '3485', 'V', '7423', '6477', 'T', 'J', '8105', 'b', 'h', 'd', 'w', 'Z', 'S', '2097', '7455', '2885', 'U', '601', 'q', 'S', '7461', '2571', 'j', '4175', 'D', 'V']

9375, 9901, 2239, 9285, 7591, 22, 1755, 2775, 9451, 15, 3485, 22, 7423, 6477, 20, 10, 8105, 2, 8, 4, 23, 26, 19, 2097, 7455, 2885, 21, 601, 17, 19, 7461, 2571, 10, 4175, 4, 22