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.

['U', '9707', '5367', '533', 'C', 'g', '5039', '4489', '8129', '5419', 'w', 'P', '4025', '641', 'B', '7423', 'e', 'Q', '4235', '9235', 'y', 'r']
21, 9707, 5367, 533, 3, 7, 5039, 4489, 8129, 5419, 23, 16, 4025, 641, 2, 7423, 5, 17, 4235, 9235, 25, 18

['c', 's', 'L', 'J', '7597', 'Z', '3517', 'F', '8053', 'J', 'N', 'H', 's', '2241', 'f', 'h', 'e', 'F', 'T', '5613', '425', 'k', '8125', '2457', '1269', 'p', 'b', '175']
3, 19, 12, 10, 7597, 26, 3517, 6, 8053, 10, 14, 8, 19, 2241, 6, 8, 5, 6, 20, 5613, 425, 11, 8125, 2457, 1269, 16, 2, 175

['I', 'D', 'X', 'x', 'M', 'j', '3147', 'n', 'v', '8479', 'y', '8661', '6161', '7735', 'q', 'P', 'l', '6947', '4653', 'x', 'A', '579', '3829', '9009', '9073', '1007', '6037', 'l', '1313', 'G', '4647', 'D', 'Z']

9, 4, 24, 24, 13, 10, 3147, 14, 22, 8479, 25, 8661, 6161, 7735, 17, 16, 12, 6947, 4653, 24, 1, 579, 3829, 9009, 9073, 1007, 6037, 12, 1313, 7, 4647, 4, 26