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: ['T', '1941', 'p', 'h', 'x', 'J', 'w', '5343', 'z', '7511', 'r', 'q', 'B', 'Z', 'w', 'L', '4957', 'F', 'q', 'Q', 'J', '3915', '5323', '4863', '3853', 'A', '1189', 'v', '2549', '4473', 'Z', '8383', '2431', '9667', '7195', '1023']

20, 1941, 16, 8, 24, 10, 23, 5343, 26, 7511, 18, 17, 2, 26, 23, 12, 4957, 6, 17, 17, 10, 3915, 5323, 4863, 3853, 1, 1189, 22, 2549, 4473, 26, 8383, 2431, 9667, 7195, 1023