In programming—and computer science in general—an expression is something which can be evaluated—that is, a syntactically valid combination of constants, variables, functions, and operators which ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Hello Pythonistas, here’s a quick reference to Comparison and Logical operators in Python.

Operators In Python Operators are simple symbols or keywords (reserved by python) that perform some task between two given values. These values can be string, integer, float, or any data type and even ...

Interpreting math expressions is one of those things that seems simple until you get into it. The first problem is correctly lexing the input — a term that means splitting into tokens.