Definition: 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.
Input: ['V', '5029', 'U', '9723', 'O', 'u', '231', 'T', '7505', '7957', '447', '3739', '9683', '6013', '2035', '739', '6799', 'm', 'Z', 'w', '7071', 'e', 'u', 'e', '7767', '7269', 'e', '397', '9901', 'h', '6347', '621', '1645', 's']

22, 5029, 21, 9723, 15, 21, 231, 20, 7505, 7957, 447, 3739, 9683, 6013, 2035, 739, 6799, 13, 26, 23, 7071, 5, 21, 5, 7767, 7269, 5, 397, 9901, 8, 6347, 621, 1645, 19