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: ['4693', '203', '3149', 'V', '7333', 'O', '9765', '7753', 'G', '2909', '6003', 'z', 'J', 'm', 'H', '7533', 'd', '4951', '5955', 'W', 'f', 'O', 'f', 'w', 'p', '37', '5993', '9333', 'H', '9583', '5255']

4693, 203, 3149, 22, 7333, 15, 9765, 7753, 7, 2909, 6003, 26, 10, 13, 8, 7533, 4, 4951, 5955, 23, 6, 15, 6, 23, 16, 37, 5993, 9333, 8, 9583, 5255