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: ['7505', '1095', 'F', '1237', '9577', 'w', '263', 'B', '2071', '2327', 'u', '1231', 'O', '8313', '2387', '5871', 'p', '2041', '4441', 'Y', 'B', '7221', 'q', '1979', 'O', '7361', 'g']

7505, 1095, 6, 1237, 9577, 23, 263, 2, 2071, 2327, 21, 1231, 15, 8313, 2387, 5871, 16, 2041, 4441, 25, 2, 7221, 17, 1979, 15, 7361, 7