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.

['4647', '3833', '9203', '8189', '6519', 'R', '4503', '2261', 'T', 'W', '6593', 'V', 'i']
4647, 3833, 9203, 8189, 6519, 18, 4503, 2261, 20, 23, 6593, 22, 9

['b', 'o', 'E', '3349', '3065', '427', '635', 'r', 'L', '1955', '7645', '7123', 'E', '3781', 'L', 'O', '1255', 'R', '8671', 'k', 'n', '3199', '6251', '2839', 'L', 'X', 'h', '3479', 'R', 'O', '1289', '8729', '6665', '7729', 'I', '1639', 'Q']
2, 15, 5, 3349, 3065, 427, 635, 18, 12, 1955, 7645, 7123, 5, 3781, 12, 15, 1255, 18, 8671, 11, 14, 3199, 6251, 2839, 12, 24, 8, 3479, 18, 15, 1289, 8729, 6665, 7729, 9, 1639, 17

['M', 'c', 'm', 'z', 'J', 'l', '8037', 'b', 'K', 'k', 'H', '2671', '6105', '7937', '5383', 'h', 'E', 'j', 'Z', '8023', '3459', 'S', '4023', 'W', 'N', '8451', 'g', '5301', 'n', 'E', '1111', 'p', '4645', 'k', 'H']

13, 3, 13, 26, 10, 12, 8037, 2, 11, 11, 8, 2671, 6105, 7937, 5383, 8, 5, 10, 26, 8023, 3459, 19, 4023, 23, 14, 8451, 7, 5301, 14, 5, 1111, 16, 4645, 11, 8