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.

Example Input: ['7505', 'B', 'v', '5329', '33', '6439', 'H', '5843', 'A', 'j', 'Z', 'H', 'R', 'K', '3099', 'w', 'R', 't', '9351', 'V', '2753', '8169', '7899', 'k', '8541', 't', 'g', '713', '9591', '2901']
Example Output: 7505, 2, 22, 5329, 33, 6439, 8, 5843, 1, 10, 26, 8, 18, 11, 3099, 23, 18, 20, 9351, 22, 2753, 8169, 7899, 11, 8541, 20, 7, 713, 9591, 2901

Example Input: ['g', '9107', '351', 'a', '8693', 'O', 'I', '3675', '3883', '2709', '3999', '8265', '7627', '7041', '7799', 'U']
Example Output: 7, 9107, 351, 1, 8693, 15, 9, 3675, 3883, 2709, 3999, 8265, 7627, 7041, 7799, 21

Example Input: ['6433', 'k', 'K', '9751', 'z', 'L', '5991', '7475', '1399', '3819', '879', 'Z', '6449', 'F', 'b', '237', '7327', 'f', '8867', '3405', 'M', 'K', 'z', '5661', '5469']
Example Output:
6433, 11, 11, 9751, 26, 12, 5991, 7475, 1399, 3819, 879, 26, 6449, 6, 2, 237, 7327, 6, 8867, 3405, 13, 11, 26, 5661, 5469