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: ['v', '2745', '6281', '8249', 'I', '6711', '9463', '8187', 'D', '2085', 'U', 'U', '6073', '3475', '7205', '93', 'p', 'h', '8499', 'm', '5691', 'i', '7543', 'R', '7099', '6911', '7101', 'R', '7755', '3371', '7701', '2169', 'y', 'p', '693', 'y', '4425']

22, 2745, 6281, 8249, 9, 6711, 9463, 8187, 4, 2085, 21, 21, 6073, 3475, 7205, 93, 16, 8, 8499, 13, 5691, 9, 7543, 18, 7099, 6911, 7101, 18, 7755, 3371, 7701, 2169, 25, 16, 693, 25, 4425