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: ['2767', '4811', '8365', '9367', 'v', 's', 'v', '6015', 'Z', 'B', '2345', 'J', 'w', 'j', '3633', '9783', 'O', '7633', '4397', 'S', 'Q', '2887', 'V', '2507', 'a', '5505']

2767, 4811, 8365, 9367, 22, 19, 22, 6015, 26, 2, 2345, 10, 23, 10, 3633, 9783, 15, 7633, 4397, 19, 17, 2887, 22, 2507, 1, 5505