When you declare a variable, that variable is visible in parts of your program, depending on where you declare it. If you declare it outside of any function, the variable is visible to any code ...

Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability ...

Scope determines how variables and their names are looked up in code. It defines the area of a program where you can access that name. There are two general scopes.. Global scope: names defined ...