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.

['o', 'x', 'E', 'H', '5407', '6813', 'R', 'w', 'g', '9289', '3583', '3055', 'w', '9099', 'F', '9709', 'p', 'p', 'o', '9237', 'o', '9881', 'f', 'q', '2617', 's', '7601', 'l', '4799', '1083', '7221', '9959', 'q', '3493', '4793', 'm', 'N', 'Z', 'E', 'o']
15, 24, 5, 8, 5407, 6813, 18, 23, 7, 9289, 3583, 3055, 23, 9099, 6, 9709, 16, 16, 15, 9237, 15, 9881, 6, 17, 2617, 19, 7601, 12, 4799, 1083, 7221, 9959, 17, 3493, 4793, 13, 14, 26, 5, 15

['1705', '2311', 'l', 't', '9673']
1705, 2311, 12, 20, 9673

['C', '5257', 'c', '1923', 'R', 'T', '3083', 'i', 'd', 'B', '7757', 'F', 't', '6947', 'v', '9483', 'M', '4869', '4237', 'm', 'h', 'l', '8635', 'N', '9701', 'H', '8371', 'G', '2217', '841', '809', 'H', '1117']

3, 5257, 3, 1923, 18, 20, 3083, 9, 4, 2, 7757, 6, 20, 6947, 22, 9483, 13, 4869, 4237, 13, 8, 12, 8635, 14, 9701, 8, 8371, 7, 2217, 841, 809, 8, 1117