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', 'V', 'R', 'A', 'X', 'H', 'Z', 'R', 'C', '3981', '2601', 'K', 'n', 'a', 'W', 'f', '931', 'X', '4205', '395', '5693', '3003', '1533', '6009', 'w', 'p']

11, 22, 18, 1, 24, 8, 26, 18, 3, 3981, 2601, 11, 14, 1, 23, 6, 931, 24, 4205, 395, 5693, 3003, 1533, 6009, 23, 16