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: ['z', '6465', 'T', 'w', '51', '8003', 'T', '7719', 'R', '3563', 'g', 'V', 'Q', 'w', '6345', 'E', '7281', '251', 'R', 'L', 'G', 'g', 'a', 'P', '8705', '9931', 's', '1095', 'u', 'Q', '4965', '2069', 'l', '7377', '8151', 'i', 'm', '417', '7777', 'e']

26, 6465, 20, 23, 51, 8003, 20, 7719, 18, 3563, 7, 22, 17, 23, 6345, 5, 7281, 251, 18, 12, 7, 7, 1, 16, 8705, 9931, 19, 1095, 21, 17, 4965, 2069, 12, 7377, 8151, 9, 13, 417, 7777, 5