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: ['8713', 'g', '8849', 'V', '7989', 'L', '9597', '7095', '8291', 'k', 'h', 'L', '2831', 'j', 'W', '4989', 'w', '3611', '5173', 'X', 'A', '931', 'u', 'Z', '2395', 'h', '9551', '2047', '1299', 'S', '3421', '3813', '865', 'Q', '7581', '1725', 'b', 'b', 'h']

8713, 7, 8849, 22, 7989, 12, 9597, 7095, 8291, 11, 8, 12, 2831, 10, 23, 4989, 23, 3611, 5173, 24, 1, 931, 21, 26, 2395, 8, 9551, 2047, 1299, 19, 3421, 3813, 865, 17, 7581, 1725, 2, 2, 8