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: ['T', 'x', '9203', 'R', '5075', 'F', '6909', 'o', 'O', 'd', '7507', '1433', '531', 'y', '9711', 'K', 'H', 'Q', 'A', 'q', 'D', 'F', '2219', '2695', 's', '5797', 'W', 'z']

20, 24, 9203, 18, 5075, 6, 6909, 15, 15, 4, 7507, 1433, 531, 25, 9711, 11, 8, 17, 1, 17, 4, 6, 2219, 2695, 19, 5797, 23, 26