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: ['H', 'N', 'B', 'N', 'T', '739', '4147', 'Q', 'o', 'P', 'z', 'd', 'C', '1179', 'A', '1053', 'd', '7077']

8, 14, 2, 14, 20, 739, 4147, 17, 15, 16, 26, 4, 3, 1179, 1, 1053, 4, 7077