1. Choose descriptive names: Variable names should be descriptive and convey the purpose or meaning of the data they store. For example, use 'age' or 'height' instead of generic names like 'x' or 'a'.

A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). Rules for Python variables: A variable name must start with a letter or the underscore ...