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.

['2769', 'p', '6953', '2529', '1113', '3487', '535', 'z', '8323', '9555', 'c', '6347', 'r', '9021', 'd', 'Z', 'j', '5955', 'r', '6651', '2745', 'u', 'B', '143', 'm', '4533']
2769, 16, 6953, 2529, 1113, 3487, 535, 26, 8323, 9555, 3, 6347, 18, 9021, 4, 26, 10, 5955, 18, 6651, 2745, 21, 2, 143, 13, 4533

['7565', 'c', '4849', '6873', '6901', 'Q', '4237']
7565, 3, 4849, 6873, 6901, 17, 4237

['7225', '343', 'l', '855', 'g', '9705', 'G', '4467', 'P', 's', 'C', 'f', '8083', 'C', '6333', 'S', '5771', 'A', '5107', '8903', '1095', 'e', 'c', '9007', 'O', '7169', 'K', '587', '8227', 'x', 't', '323']

7225, 343, 12, 855, 7, 9705, 7, 4467, 16, 19, 3, 6, 8083, 3, 6333, 19, 5771, 1, 5107, 8903, 1095, 5, 3, 9007, 15, 7169, 11, 587, 8227, 24, 20, 323