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: ['2183', 'W', 'G', 'M', '6397', '6267', 'M', 'u', '1289', 'y', 'Q', 'G', 'J', '3795', 'f', 'e', 'q', '795', '9355', '379', 'j', '1363', '6537', 's', '6319', '927', 'Q', '8063', '91', '1037', '9445']

2183, 23, 7, 13, 6397, 6267, 13, 21, 1289, 25, 17, 7, 10, 3795, 6, 5, 17, 795, 9355, 379, 10, 1363, 6537, 19, 6319, 927, 17, 8063, 91, 1037, 9445