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: ['2735', '1995', 'L', '1831', '1623', '7353', '8665', 'm', 'A', 't', '6835', '3357', '9753', '6581', 'Q', 'v', '4741', '6391', '7269', 'i', 'A', '2801', 'W', '9237', 'K', 'd', 'P', 'A', 'w', 'Z', 'a', 'I', '9285', 'G']

2735, 1995, 12, 1831, 1623, 7353, 8665, 13, 1, 20, 6835, 3357, 9753, 6581, 17, 22, 4741, 6391, 7269, 9, 1, 2801, 23, 9237, 11, 4, 16, 1, 23, 26, 1, 9, 9285, 7