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.

['3415', 'V', 'b', 'y', 'D', '345', '3149']
3415, 22, 2, 25, 4, 345, 3149

['3695', 'v', 'o', 'M', 'g', '9223', 'R', '3447', 'x', 'v', '983', '2833', '5719', 'B', 'N', '3703', 'M']
3695, 22, 15, 13, 7, 9223, 18, 3447, 24, 22, 983, 2833, 5719, 2, 14, 3703, 13

['7057', 'H', '6403', '4097', 'R', 's', 'F', 'u']

7057, 8, 6403, 4097, 18, 19, 6, 21