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: ['Q', '5755', 'T', '8841', '1675', 'b', 's', '6861', 'v', '3147', 'O', 'G', 'p', 'i', '6877', 'v', 'P', 'u', '4357', '4171', 'y', 'Z', 's', '6635', 'F', '8927', '6837', '4827', '2235', 'v', '2963', '1975', 'G', '7075', '8185', 'P', '8033', 'U']

17, 5755, 20, 8841, 1675, 2, 19, 6861, 22, 3147, 15, 7, 16, 9, 6877, 22, 16, 21, 4357, 4171, 25, 26, 19, 6635, 6, 8927, 6837, 4827, 2235, 22, 2963, 1975, 7, 7075, 8185, 16, 8033, 21