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: ['5329', 'V', 'n', 'a', '9859', 'q', 'f', '3979', 'y', '8139', 'I', 'j', 'n', 'D', 'j', 'v', '7753', 'h', 'J', '3535', '3587', 'V', '4611', 't', 'O', 'S', 'H', 'h', 'y', '8287', '855', '7347', '2823', '8817', '8691', '5815']

5329, 22, 14, 1, 9859, 17, 6, 3979, 25, 8139, 9, 10, 14, 4, 10, 22, 7753, 8, 10, 3535, 3587, 22, 4611, 20, 15, 19, 8, 8, 25, 8287, 855, 7347, 2823, 8817, 8691, 5815