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: ['2043', 'g', '3505', 'C', 'y', 'W', 'l', '7845', 'h', '1553', '7513', '9385', '8537', 'G', '7913', 'T', 'd', '5749', 'v', 'X', 'g', '3053', 'D', 'C', 'h', '8469', '4683', '9773', '8489', 'v', '945', '827', 'K', 'K', '8475', 'W']

2043, 7, 3505, 3, 25, 23, 12, 7845, 8, 1553, 7513, 9385, 8537, 7, 7913, 20, 4, 5749, 22, 24, 7, 3053, 4, 3, 8, 8469, 4683, 9773, 8489, 22, 945, 827, 11, 11, 8475, 23