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: ['1401', 'F', '1625', 'M', 'b', 'w', '1169', 'C', 'F', 'b', 'Y', '3509', 'g', '5083', 'c', 'A', 'm', 'w', 'W', 'E', '2311', '4563', '461', 'C', 'g', 'w', '1509', 'g', 'V', '9267', 'Q', 'f', 'w', '3825', 'l', 'j', 'd', 'V', '7435']

1401, 6, 1625, 13, 2, 23, 1169, 3, 6, 2, 25, 3509, 7, 5083, 3, 1, 13, 23, 23, 5, 2311, 4563, 461, 3, 7, 23, 1509, 7, 22, 9267, 17, 6, 23, 3825, 12, 10, 4, 22, 7435