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.

['9407', 's', '3757', '6925', '8457', '7659', '2961', '1895', 'x', 'E', '1765', 'G', 'F', '369', 'R', '7845', 'i', 'Z', 'U', '4169', 'V', '6981', '1495', '8703', '9079', '5695', 'Z']
9407, 19, 3757, 6925, 8457, 7659, 2961, 1895, 24, 5, 1765, 7, 6, 369, 18, 7845, 9, 26, 21, 4169, 22, 6981, 1495, 8703, 9079, 5695, 26

['201', 'v', '9339', '2255', 'A', 'F', '2731', '1331', '709', '1319', 'u', '5037']
201, 22, 9339, 2255, 1, 6, 2731, 1331, 709, 1319, 21, 5037

['Q', '2361', '4861', '6875', 'k', 'j', '5693', 'U', 'G', '2569', '2303', 'h', 'y', '5191', '9451', 'I', 'I', '9339', 'v', '7931', 'N', 'G', 'U', '8711', 'R', '6823', '8089', '7729', '9197']

17, 2361, 4861, 6875, 11, 10, 5693, 21, 7, 2569, 2303, 8, 25, 5191, 9451, 9, 9, 9339, 22, 7931, 14, 7, 21, 8711, 18, 6823, 8089, 7729, 9197