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', '2769', '4097', '9769', 'V', '7325', '9227', 'y', 'i', 'K', 'u', '2991', '321', 'd', 'j', '7151', 'C', '5493', 'E', 'I', '6259', '6769', 'j', '7949', '3061', '453', '9487', 'f', 'g']

22, 2769, 4097, 9769, 22, 7325, 9227, 25, 9, 11, 21, 2991, 321, 4, 10, 7151, 3, 5493, 5, 9, 6259, 6769, 10, 7949, 3061, 453, 9487, 6, 7