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.

['163', '235', 'N', 'k', '371', 'a']
163, 235, 14, 11, 371, 1

['t', '855', 'x', 'E', '6569', 'P', '2985', '767', '6427', '4061', '2493', 'Z', 'u', '8289', '5901', '3755', 'd', '4015', '1181']
20, 855, 24, 5, 6569, 16, 2985, 767, 6427, 4061, 2493, 26, 21, 8289, 5901, 3755, 4, 4015, 1181

['E', 's', '4969', '2009', 'Q', '9407', 'C', '2085', '2575', 'W', 'c', '4733', 'f', '6581', 't', '2641', '9123', 'Q', 'j', '3387', '115', '155', '6175', '5853', 'm', '1859']

5, 19, 4969, 2009, 17, 9407, 3, 2085, 2575, 23, 3, 4733, 6, 6581, 20, 2641, 9123, 17, 10, 3387, 115, 155, 6175, 5853, 13, 1859