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In Python, the term “scope” refers to the visibility and accessibility of variables and functions within a program.
Every variable or function in Python has a defined scope, which determines where it can be accessed within the code. There are mainly two types of scopes in Python:
- Global scope: Variables or functions declared outside of any function or class have a global scope. They can be accessed from anywhere within the program, including inside functions or classes.
- Local scope: Variables or functions declared inside a function or class have a local scope. They can only be accessed from within that function or class.
It’s important to understand scope in Python, as it can impact the behavior of your code. For example, if you try to access a local variable outside of its function, you will get a “NameError” because the variable is not defined in the global scope. Similarly, if you define a global variable with the same name as a local variable inside a function, the local variable will take precedence within that function.
