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: ['j', '3323', 'P', '2579', '1309', 'Z', '2249', 'G', 'S', 'U', 'J', 'N', 'y', 'c', 'W', '2419', '2885', 'w', 'E', '8583', 'R', 'H', '5789', 'K', '4015', '7475', 'i', '5545', 'N', 'n', '3281', '2003', '3751', 'i']

10, 3323, 16, 2579, 1309, 26, 2249, 7, 19, 21, 10, 14, 25, 3, 23, 2419, 2885, 23, 5, 8583, 18, 8, 5789, 11, 4015, 7475, 9, 5545, 14, 14, 3281, 2003, 3751, 9