def reverse_number():
m = []
num_input = input('Enter a number:')
for i in num_input:
m.append(i)
m.sort(reverse=True)
print(''.join(m))
reverse_number()
def reverse_number():
m = []
num_input = input('Enter a number:')
for i in num_input:
m.append(i)
m.sort(reverse=True)
print(''.join(m))
reverse_number()