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: ['g', '2163', '4303', '4863', '2829', 'w', '3703', '5253', 'Z', '8763', '3891', '8861', '5435', 't', '8775', '2287', '1173', '6495', '5765', '2225', '2041', 'A', '2561', '1049', '2245', 'R', 'D', '927']

7, 2163, 4303, 4863, 2829, 23, 3703, 5253, 26, 8763, 3891, 8861, 5435, 20, 8775, 2287, 1173, 6495, 5765, 2225, 2041, 1, 2561, 1049, 2245, 18, 4, 927