Khalid like to play with numbers. He has a list of numbers in a file, and he wants to find the largest possible number by rearranging the digits. If no larger number can be formed, return the number itself. Help Khalid by creating a program that does that. You must use a function in the solution. The name of the input and output files must be as requested. Input (numbers.txt) The first line contains an integer which is the number of all test cases The rest of the file contains one test case in each line. Output (output.txt) For each test case, print a single line with the answer to this problem to an output file