What is the LEGB rule in Python?
An example of an AI chatbot conversation about the LEGB rule in Python.
Can you explain the LEGB rule in Python?
Sure! The LEGB rule stands for Local, Enclosing, Global, and Built-in. It's the order in which Python looks for variable names.
What do you mean by Local and Enclosing?
Local refers to variables defined within a function, while Enclosing refers to variables in the local scope of enclosing functions.
And what about Global and Built-in?
Global variables are defined at the top level of a script or module, while Built-in variables are pre-defined by Python, like len() or print().
Can you give me an example of how LEGB works?
Absolutely! If you have a variable in a function, Python will first check that function for the variable, then any enclosing functions, then global scope, and finally built-in scope.
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