Python is an interpreter based language. When you invoke Python interprter, (>>>) Python prompt appears. Any Python statement can be entered in front of it. As soon as you press ENTER, the statement is executed.Hence a mathematical expression using operators defined in Python will be evaluated at command line.
>>> 2+4 6 >>> 6+9/3 9.0 >>> 100%3 1 >>> 56//5 11 >>> 2**5 32