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: ['2477', 'H', '5927', 'e', '4511', '8603', '5767', 'Y', '8189', 'I', '4015', '8381', 'c', '5309', 'T', 'A', 'm', 'R', 'w', '3141', '1953', 'v', 'm', 'Y']

2477, 8, 5927, 5, 4511, 8603, 5767, 25, 8189, 9, 4015, 8381, 3, 5309, 20, 1, 13, 18, 23, 3141, 1953, 22, 13, 25