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.

['8435', '3949']
8435, 3949

['9579', 'B', 'q', '181', '2955', 'q', 'I', 'L', 'g', '1357', '5797', '7917', 'd', '5745', '5591', '5687', 'a', '1219', 'd', '3849', 'z', '4695', 'j', '4133', '8689', 'r', 'W', 'I', 'p', '9971', '5525']
9579, 2, 17, 181, 2955, 17, 9, 12, 7, 1357, 5797, 7917, 4, 5745, 5591, 5687, 1, 1219, 4, 3849, 26, 4695, 10, 4133, 8689, 18, 23, 9, 16, 9971, 5525

['1675', 'a', '4457', 'b', '6877', 's', '1053', 'D', '2239', '7581', '9241', '633', 'l', 'S', '3135', '5287', 'H', '4943', 'U', 'W', 'G', '471', 'L', 'o', '3303', 'W', '6843']

1675, 1, 4457, 2, 6877, 19, 1053, 4, 2239, 7581, 9241, 633, 12, 19, 3135, 5287, 8, 4943, 21, 23, 7, 471, 12, 15, 3303, 23, 6843