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: ['j', '6441', '6771', 'w', 'e', '9633', '8727', 'B', '1365', '6293', 'A', '5931', 'r', '9369', '6895', 'c', 'A', '2891', 'B', '1985', '2335', '3945', '8469', 'u', 'K', 'q', '4619', '8915', 'Q', '4895', 'b', 'B']

10, 6441, 6771, 23, 5, 9633, 8727, 2, 1365, 6293, 1, 5931, 18, 9369, 6895, 3, 1, 2891, 2, 1985, 2335, 3945, 8469, 21, 11, 17, 4619, 8915, 17, 4895, 2, 2