Detailed Instructions: 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.
Q: ['o', 'W', '8133', '7303', 'e', '5437', 'b', 'R', 'X', '9687', '711', 'b', '9505', '955']
A:
15, 23, 8133, 7303, 5, 5437, 2, 18, 24, 9687, 711, 2, 9505, 955