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.

['2751', '4053', 'u', 'e', 'g', '5901', 'l', 'r', 'N', '8445', '7433', '1067', '2989', '1783', 'Q', 'R', '4305', '1231', '3239', 'j', 'G', 'G', '1291', 'A', '6139', 'Z', '1501', 'J']
2751, 4053, 21, 5, 7, 5901, 12, 18, 14, 8445, 7433, 1067, 2989, 1783, 17, 18, 4305, 1231, 3239, 10, 7, 7, 1291, 1, 6139, 26, 1501, 10

['s', '7331', '8643', 'z', 'J', '6141', '6597', 'F', '95']
19, 7331, 8643, 26, 10, 6141, 6597, 6, 95

['v', '8517', 'y', 'g', 'S', 'U', 'I', '5931', '4977', '2963', 'z', 'b', 'J', 'C', 'B', 'V', 'i', 'j', '8673', 'q', 'u', 'U', '9145', '5243', '8147', 'M', '5167', '9479']

22, 8517, 25, 7, 19, 21, 9, 5931, 4977, 2963, 26, 2, 10, 3, 2, 22, 9, 10, 8673, 17, 21, 21, 9145, 5243, 8147, 13, 5167, 9479