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: ['p', '85', '9181', 'j', 'e', 'x', '5915', 'W', '3979', 'K', '5227', 'K', 'E', 'p', 'V', 'v', 'K', '2011', 'v', 'x', '9203', '3705', '9701', 'u', 'j', '8235', '4695', '9091', '9183', 'R', '6571', '4801']

16, 85, 9181, 10, 5, 24, 5915, 23, 3979, 11, 5227, 11, 5, 16, 22, 22, 11, 2011, 22, 24, 9203, 3705, 9701, 21, 10, 8235, 4695, 9091, 9183, 18, 6571, 4801