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: ['9625', '855', 'n', 'C', '527', '7049', 'm', '1805', '8705', 'J', 'u', 'm', '9849', 'X', 'm', 'D', 'y', '4033', '2585', '3507', 'D', '4683', 'S', '7365', '8023', 'B', '723', '8361', 'L', '6463', 's', 'l', 'W', 'j', 'L', '673', '785', 'Z', '9611', 'D']

9625, 855, 14, 3, 527, 7049, 13, 1805, 8705, 10, 21, 13, 9849, 24, 13, 4, 25, 4033, 2585, 3507, 4, 4683, 19, 7365, 8023, 2, 723, 8361, 12, 6463, 19, 12, 23, 10, 12, 673, 785, 26, 9611, 4