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: ['1741', 'Q', '2993', '1887', 'G', 'G', '4995', '7575', '2675', 'a', '941', '7169', '6365', '8703', 'N', '3501', '9697', '541', '353', '5273', '5603', 'Q']

1741, 17, 2993, 1887, 7, 7, 4995, 7575, 2675, 1, 941, 7169, 6365, 8703, 14, 3501, 9697, 541, 353, 5273, 5603, 17