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: ['7667', '4113', 'q', 'm', '665', '913', 'B', 'L', 'a', '1425', '7917', '3779', '6069', '8403', '7165', '509', '4555', '6851', '3051', 'D', '1253', 'N', 'L', 'S', '4839', 'h', 'B', '5583', 'Y', 'q', '9267']

7667, 4113, 17, 13, 665, 913, 2, 12, 1, 1425, 7917, 3779, 6069, 8403, 7165, 509, 4555, 6851, 3051, 4, 1253, 14, 12, 19, 4839, 8, 2, 5583, 25, 17, 9267