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.

['K', 'f', 'N', 'a', 'H', '5999', 'g', '9589', 'N', 'h', '8451', '7797', 'e', 'P', '785']
11, 6, 14, 1, 8, 5999, 7, 9589, 14, 8, 8451, 7797, 5, 16, 785

['785', '3957', '2269', '1331', 'N', '8075', '3705', 'T', 'n', 'j', '4257', '8441', 'o', '9959', '6535', 'F', '3949', '3071', 'u', 'x', 'S', 'V', 'f', '83', '9939', '9659', 'y']
785, 3957, 2269, 1331, 14, 8075, 3705, 20, 14, 10, 4257, 8441, 15, 9959, 6535, 6, 3949, 3071, 21, 24, 19, 22, 6, 83, 9939, 9659, 25

['q', '2601', 'A', 'Z', 'S', '5989', 'e', 'F', '895', '6315', 'E', 'n', 'b', '413', '5491', '5175', 'F', 'n', '5461', '5591', '1191', 'E', '2497', '5227', '3669', 'G', 'm', 'O', '3329', 'O', 'u', 'N', 'W', '8565', 'w']

17, 2601, 1, 26, 19, 5989, 5, 6, 895, 6315, 5, 14, 2, 413, 5491, 5175, 6, 14, 5461, 5591, 1191, 5, 2497, 5227, 3669, 7, 13, 15, 3329, 15, 21, 14, 23, 8565, 23