A. Mathematical operators. Python supports unary operators for no change and negation, ... Python recognizes the following mathematical operators: + Addition; also used for string concatenation. five ...

Not sure about rational support, but SmallTalk and ABC (predecessor to Python) have 'exact' or something, at least for integers, so you can do silly things like 1000!, if you have enough memory ...

An operator is, in general, a typographical symbol that means something special to the Python interpreter, and tells it to do something with the literals or variables next to it. Many are basic ...