descending_order.py

"""
Your task is to make a function that can take any non-negative integer as a argument and return it with its digits in
descending order. Essentially, rearrange the digits to create the highest possible number.

Examples:
Input: 42145 Output: 54421

Input: 145263 Output: 654321

Input: 123456789 Output: 987654321
"""


def descending_order(num):
    return int(''.join(sorted(str(num), reverse=True)))