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: ['9893', '1919', 'I', '4603', '919', 'C', 'E', 'V', '9817', 'G', 'X', 'k', 'E', 'O', '2367', 's', 'p', '785', 'k', 'l', '2943', '8327', 'o', 'c', 'S', 'R', '9863', '7441', 'F', 'y', 'C', 'j', 'h', '4377', '3009', '9261']

9893, 1919, 9, 4603, 919, 3, 5, 22, 9817, 7, 24, 11, 5, 15, 2367, 19, 16, 785, 11, 12, 2943, 8327, 15, 3, 19, 18, 9863, 7441, 6, 25, 3, 10, 8, 4377, 3009, 9261