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: ['w', 'W', 'i', '4383', 'P', '4949', 'O', '1369', 'b', '1765', '4495', 'H', '7823', '475', '9177', 'k', 's', '945', '2661', '77', '6049', 'f', 'p', '4399', 'k', '565', '1231', '2881', 'J', '4871', 'z', 'g', 'g']

23, 23, 9, 4383, 16, 4949, 15, 1369, 2, 1765, 4495, 8, 7823, 475, 9177, 11, 19, 945, 2661, 77, 6049, 6, 16, 4399, 11, 565, 1231, 2881, 10, 4871, 26, 7, 7