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: ['1625', '3245', '2175', 'J', '733', 'o', 'h', 'P', 'H', '1037', 't', 'J', '5983', 'A', '425', '1603', '1789', 'x', 'o', '4025', 'y', '5981', 'l', 'u', '8657', 'z', 'V', '7003', 'y', 'C', 'v', '8831']

1625, 3245, 2175, 10, 733, 15, 8, 16, 8, 1037, 20, 10, 5983, 1, 425, 1603, 1789, 24, 15, 4025, 25, 5981, 12, 21, 8657, 26, 22, 7003, 25, 3, 22, 8831