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

The first argument to input() is a variable list. These same variables are put in a list after the input() call completes to move values from the PPL call environment to python. Any valid variable ...

That said, enums tend to be the most familiar and idiomatic way to do this in Python. You cannot match against variable contents through indexing. For instance, case commands[0]: would be rejected ...