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: ['v', 'H', '3713', 'f', '375', 'h', '1851', '3219', '9399', 'g', 'S', 'M', '8421', 'L', '7503', '4237', 'z', '4591', '8855', 'F', '3059', 'V', '4729', '3261', 'n', 'v', '9991', '6141', 'B', '3063', 'g', '9925', '6599', '871', 'b', 'K', '4755', 's']

22, 8, 3713, 6, 375, 8, 1851, 3219, 9399, 7, 19, 13, 8421, 12, 7503, 4237, 26, 4591, 8855, 6, 3059, 22, 4729, 3261, 14, 22, 9991, 6141, 2, 3063, 7, 9925, 6599, 871, 2, 11, 4755, 19