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', '9283', 's', 'v', 'h', '9565', '3765', 'd', 'H', 'I', '8795', 'o', '3097', 'B', 'c', '1049', 'w', 'b', '917', 'f', 'L', 'V', '209', 'H', '6025', 'J', '5177', '5975', 'U', '7427', 'O', '4497', 'm', 'U', 'U', 'T', 'l', 'b', 'J']

10, 9283, 19, 22, 8, 9565, 3765, 4, 8, 9, 8795, 15, 3097, 2, 3, 1049, 23, 2, 917, 6, 12, 22, 209, 8, 6025, 10, 5177, 5975, 21, 7427, 15, 4497, 13, 21, 21, 20, 12, 2, 10