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: ['m', 'g', 'F', 'h', '7529', '7179', 'p', '2029', 's', '3249', '4413', '1837']

13, 7, 6, 8, 7529, 7179, 16, 2029, 19, 3249, 4413, 1837