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.

['9419', 't', '9383', 'o', 'Y', 'T', '5949', 's', '1957', 'O', 'w', '3573', 'W', 's', '9431', 'c', '6711']
9419, 20, 9383, 15, 25, 20, 5949, 19, 1957, 15, 23, 3573, 23, 19, 9431, 3, 6711

['F', 'A', 'A', '5729', '6717', '9171', '2245', '5017', 'T', '8013', '9991', 'o', 'n', 'e', 'n', 'G', 'G', '6581']
6, 1, 1, 5729, 6717, 9171, 2245, 5017, 20, 8013, 9991, 15, 14, 5, 14, 7, 7, 6581

['1167', 'E', '5843', '827', '8899', 'E', 'w', 'I', '5597', 'u', 't', 'f', 'M', 'M', 'X', '911', 'W', '5861', '5137', '1569', '3955', 'e', 's', 'O', '6189', '4593', 'w', 'M', 'v', '5911', 'M', '3327', '807', '379', '8301']

1167, 5, 5843, 827, 8899, 5, 23, 9, 5597, 21, 20, 6, 13, 13, 24, 911, 23, 5861, 5137, 1569, 3955, 5, 19, 15, 6189, 4593, 23, 13, 22, 5911, 13, 3327, 807, 379, 8301