Python's modulo (%) operator (also called remainder operator) is useful to determine if a number is odd or even. We obtain remainder of division of a number by 2. If it is 0 , it is even otherwise it is odd
no=int(input('enter number')) if no%2==0: print ('{} is even'.format(no)) else: print ('{} is odd'.format(no))
The output
enter number25 25 is odd enter number40 40 is even