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.

['4359', '6545', '7337', '5589', '9335', '3087', '7249', '9569', '2873', 'F', 'X', '9669', '3769', '2115', '8541', '4823', 'I', 'c', '9547']
4359, 6545, 7337, 5589, 9335, 3087, 7249, 9569, 2873, 6, 24, 9669, 3769, 2115, 8541, 4823, 9, 3, 9547

['f', 'a', 'v', '4929', 'a', 'Q', 'G', 'o', '281', '401', '4089', '6131', 's', 'W', 'N', '9093', '6781', '7527', '3315', 'a']
6, 1, 22, 4929, 1, 17, 7, 15, 281, 401, 4089, 6131, 19, 23, 14, 9093, 6781, 7527, 3315, 1

['r', 'A', 'H', 'k', 'z', '5795', '1135', '5851', '1397', 'A', 'o', '4241', 'u', '4167', '779', 'E', 'I', '9857', '1429', '9787', 'T', 'R', '9627', 'c', '9017', '7155', 't', '7273', 'k']

18, 1, 8, 11, 26, 5795, 1135, 5851, 1397, 1, 15, 4241, 21, 4167, 779, 5, 9, 9857, 1429, 9787, 20, 18, 9627, 3, 9017, 7155, 20, 7273, 11