Write three functions that each generate 10 unique dataset files of integers separated by a comma ",". E.g., 34, 32421, 124124, 67, 92, ... The sizes of these 10 datasets are (n) 1000, 4000, 8000, 10000, 40000, 80000, 100000, 400000, 800000, 1000000. function should generate a file with a sorted list of integers from smallest to largest.