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.

['8377', '9631', 'H', '1305', 'V', 'I', '6605', '4921', 'k', 'A', 'k', '3503', '607', 'S', '7717', '8601', 'U', '833', '3497', 'x', '9691', '667', '555', 'h', 'v', '3251', '3783', '293', '1361', '7261', 'y', '1309', '8613', '681', 'h']
8377, 9631, 8, 1305, 22, 9, 6605, 4921, 11, 1, 11, 3503, 607, 19, 7717, 8601, 21, 833, 3497, 24, 9691, 667, 555, 8, 22, 3251, 3783, 293, 1361, 7261, 25, 1309, 8613, 681, 8

['A', '6307', 'n', 'U', '5179', 'X', 'N', '767', '8273', 'r', '7055', '9371', 'u', '7479', 'p', '9961', '3547', 'X', '8445']
1, 6307, 14, 21, 5179, 24, 14, 767, 8273, 18, 7055, 9371, 21, 7479, 16, 9961, 3547, 24, 8445

['l', 'l', '8511', '9849', 'J', '3189', '4691', '4835', '1907', 'e', '6705', 'k', 'B', '517', '471', '1679']

12, 12, 8511, 9849, 10, 3189, 4691, 4835, 1907, 5, 6705, 11, 2, 517, 471, 1679