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.

['t', '8125', '6519', 'M', '4533', '9091', '4193', '9863', 'e', '4265', '5907', 'N', '8095', 'N', '7611', 'l', '7529', 'j', 'P', '2989', 'A', 'h', 'Y', '9077', 'J', '5147', 'K', '99']
20, 8125, 6519, 13, 4533, 9091, 4193, 9863, 5, 4265, 5907, 14, 8095, 14, 7611, 12, 7529, 10, 16, 2989, 1, 8, 25, 9077, 10, 5147, 11, 99

['155', '8891', 'F', 'T', 'C', '3477', 'L', 'l', '9191', '6815', 'c', 'M', '7365', '4757', '1439', 'B', 'Q', 'l', '4775', 'r', '7691', 'b', 'c', 'n', 'b', '4939', '1063', 'C', '1565', '3297', 'a', 'R', 'V', 'o']
155, 8891, 6, 20, 3, 3477, 12, 12, 9191, 6815, 3, 13, 7365, 4757, 1439, 2, 17, 12, 4775, 18, 7691, 2, 3, 14, 2, 4939, 1063, 3, 1565, 3297, 1, 18, 22, 15

['3315', 'r', '6635', 'i', 'L', 'o', 'R', '7469', 'H', 'y', '7265']

3315, 18, 6635, 9, 12, 15, 18, 7469, 8, 25, 7265