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: ['7035', '9397', '2999', 'G', 'M', 'S', 'V', '4817', '4503', '2931', '6293', '9017', '4033', '4779', '4717', '6755', '6475', '3053', 'z', '1139', '8021', 'z', '8853', '1839', '4493', 'b', '1587', 'H', '6215', '3759', 'W', '9747', '5521', '6011', 'O', 'h']

7035, 9397, 2999, 7, 13, 19, 22, 4817, 4503, 2931, 6293, 9017, 4033, 4779, 4717, 6755, 6475, 3053, 26, 1139, 8021, 26, 8853, 1839, 4493, 2, 1587, 8, 6215, 3759, 23, 9747, 5521, 6011, 15, 8