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.

['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

['l', 'U', 'b', 'j', 'j', 'd', 'E', '3481', '4597', '4893', 's', '5127', 'M', 'V', '5671', '7459', 'd', '131', '9891', 'p', '611', 'B', '929', '6925', '4529', 'X', 'z', '8555', 'J', 'h', 'p', '5897', '1129', 'd', 'F', '8161', '7003', 'B']
12, 21, 2, 10, 10, 4, 5, 3481, 4597, 4893, 19, 5127, 13, 22, 5671, 7459, 4, 131, 9891, 16, 611, 2, 929, 6925, 4529, 24, 26, 8555, 10, 8, 16, 5897, 1129, 4, 6, 8161, 7003, 2

['2729', 'J', 'b', 'A', 'h', '4321', '2383', '7515', '5161', 'c', 'c', 'T']

2729, 10, 2, 1, 8, 4321, 2383, 7515, 5161, 3, 3, 20