Codewars note: Descending Order:降序
Exercise:

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

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