Reversing the binary of the given number in python
>>> a=int(input('Enter base 10 natural number: ')) Enter base 10 natural number: 42 >>> b = bin(a) >>> a = int(b[:2]+b[2:][::-1], 2) >>> a 21
>>> a=int(input('Enter base 10 natural number: ')) Enter base 10 natural number: 42 >>> b = bin(a) >>> a = int(b[:2]+b[2:][::-1], 2) >>> a 21