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: ['2319', 'K', '5831', 'e', '7235', '2153', 'v', '7331', 'f', '6087', '6025', '3345', 'd', '413', 'Z', '8865', '9761', 'k', '5597', '2033', '1447', 'r', 'B', 'x', 'b', 'S', 'C', '4811']

2319, 11, 5831, 5, 7235, 2153, 22, 7331, 6, 6087, 6025, 3345, 4, 413, 26, 8865, 9761, 11, 5597, 2033, 1447, 18, 2, 24, 2, 19, 3, 4811