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: ['k', 'Y', 'o', 'l', 'U', 'Y', 'W', 'h', '2195', '1969', 'x', '4205', 'd', '3845', 'J', '9081', 'Q', '9615', 'Y', '4825', 'C', '2891', '4243', 'U', 'c', '6211', 'E', 'r', 'i', 't', 'j', '3253', 'n']

11, 25, 15, 12, 21, 25, 23, 8, 2195, 1969, 24, 4205, 4, 3845, 10, 9081, 17, 9615, 25, 4825, 3, 2891, 4243, 21, 3, 6211, 5, 18, 9, 20, 10, 3253, 14