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: ['e', 'V', 'X', 'k', 'h', '7997', 'E', '7835', '2939', 'H', 'I', 'u', 'M', '8433', '831', '1615', '1055', 'v', '9863', '441', 'g', 'M']

5, 22, 24, 11, 8, 7997, 5, 7835, 2939, 8, 9, 21, 13, 8433, 831, 1615, 1055, 22, 9863, 441, 7, 13