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: ['9741', '5669', '8571', '9571', 'B', '1443', 't', '4797', '7047', '8213', '7797', '3171', '2203', 'Q', 'x', '7507', 'Z', '7671', 'g', 'l', 'F', 'T', '5767', '941', 'j', 'c', '5279']

9741, 5669, 8571, 9571, 2, 1443, 20, 4797, 7047, 8213, 7797, 3171, 2203, 17, 24, 7507, 26, 7671, 7, 12, 6, 20, 5767, 941, 10, 3, 5279