please explain more ..thanks

( python3)

Odd Value or Zero Task Write a Python script named odd-value-or-zero.py which reads and integer (n, say) and: if n is odd, then outputs the value n, or if n is even, then outputs just 0. Example input 1 3 Example output 1 3 n is odd, so output n itself. Example input 2 4 Example output 2 0