Python supports unary operators for no change and negation, + and -, respectively; and binary arithmetic operators +, -, *, /, //, %, and **, for addition ...

If you haven’t encountered RPN before, it is an easy way to express math without ambiguity. For example, what’s 5 + 3 * 6? It’s 23 and not 48. By order of operations you know that you have ...