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', 'Z', '9021', '9445', '4251', 'h', 'x', '6487', '823', '5825', '1217', '4577', 'M', '1863', '8303', '1043', '6267', 'U', '1727', 'i', '177']

5, 26, 9021, 9445, 4251, 8, 24, 6487, 823, 5825, 1217, 4577, 13, 1863, 8303, 1043, 6267, 21, 1727, 9, 177