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.

['3451', 'J', '801', 'y', 'b', 'W', '3241', '2621', 'y', 'a', '1671', 'g', '389', 'H', '5763', 'A', '6051', 'u', 'I', '2599', 'o', 'B', '4867', '725', '5345', '1719', '885', 'E', '6397', '7979', 'y', 'S', 'A', 'L']
3451, 10, 801, 25, 2, 23, 3241, 2621, 25, 1, 1671, 7, 389, 8, 5763, 1, 6051, 21, 9, 2599, 15, 2, 4867, 725, 5345, 1719, 885, 5, 6397, 7979, 25, 19, 1, 12

['4117', 'N', '4083', 'N', 'M', 'q', 'L', 'Q', 't', 'G', 'S', '3623', '4317', 't', '4353', 'q', '8617', 'O', '4829', 'S', 'D', '5011', '699', '9883', 'b', 'g', '6933', '9783', 'f', '353', 'A', 'o', '8931', 'S', 'o', '921', '8833', 'J', 'R']
4117, 14, 4083, 14, 13, 17, 12, 17, 20, 7, 19, 3623, 4317, 20, 4353, 17, 8617, 15, 4829, 19, 4, 5011, 699, 9883, 2, 7, 6933, 9783, 6, 353, 1, 15, 8931, 19, 15, 921, 8833, 10, 18

['N', '3251', '6923', '1621', 'Z', 'h', 'e', 'B', 's', '7639', 'b']

14, 3251, 6923, 1621, 26, 8, 5, 2, 19, 7639, 2

