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: ['S', 'V', 'P', 'u', 'P', 'H', 'g', '2033', '6977', 'k', 'm', '2907', 'v', '7623', 'H', 'S', 'H', 'z', '2103', '7167', 'L', '6875', '379', '6597', 'N', 'P', '9831', '3237', '6625', '7763', 'Z', 'S', '447', 'b', '9595', 'L', '4369', '3181', '303', 'E']

19, 22, 16, 21, 16, 8, 7, 2033, 6977, 11, 13, 2907, 22, 7623, 8, 19, 8, 26, 2103, 7167, 12, 6875, 379, 6597, 14, 16, 9831, 3237, 6625, 7763, 26, 19, 447, 2, 9595, 12, 4369, 3181, 303, 5