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: ['6931', '8933', '5229', '8073', 'h', '905', '1199', 'v', '3157', '9599', '9125', '3053', '9089', 'H', '341', '9525', '7713', '9397', '9107', 'u', '2187', '7903', 'o', '3359', '9979', '7955', 'v', '7463', 'j', 'J', '5719', '7901', '2927', '8865']

6931, 8933, 5229, 8073, 8, 905, 1199, 22, 3157, 9599, 9125, 3053, 9089, 8, 341, 9525, 7713, 9397, 9107, 21, 2187, 7903, 15, 3359, 9979, 7955, 22, 7463, 10, 10, 5719, 7901, 2927, 8865