Python Scope and the LEGB Rule: Resolving Names in Your Code
Jul 16, 2025 · Python resolves names using what’s known as the LEGB rule, which defines the order in which the interpreter searches through distinct scopes. The letters in this acronym stand for Local, …
Scope Resolution in Python | LEGB Rule - GeeksforGeeks
Jul 11, 2025 · In Python, the LEGB rule is used to decide the order in which the namespaces are to be searched for scope resolution. The scopes are listed below in terms of hierarchy (highest to …
Python Variable Scope And The LEGB Rule Explained - DataCamp
Sep 11, 2025 · Learn about Python variable scopes and the 'LEGB' rule. Follow our step-by-step tutorial and see how global and nonlocal keywords are used today!
What is the Python LEGB Rule? Why It is Important?
Apr 22, 2024 · In this article, I’ll introduce the LEGB rule that describes the logic and behaviour of different namespaces in Python. After that, some tips and best practices will be given.
How to Understand Python Variable Scoping Rules (LEGB)
Jan 25, 2026 · Python uses the LEGB rule: Local, Enclosing, Global, Built-in. This guide explains each scope level with practical examples. When Python encounters a variable name, it searches for it in …
The LEGB rule in Python - Educative
To resolve such issues, Python uses the LEGB rule to determine where a variable's value comes from. The LEGB rule outlines the order in which Python searches for variables, helping us understand and …
Understanding the LEGB Rule for Variable Scope in Python
Use function parameters and return values to pass data between functions. Makes it easier to track data flow.
Koan 4: Understanding Python’s LEGB rule - by Vivis Dev
Finally, there's the built-in scope. This contains all the names that Python pre-defines, such as print, len, str, True, False, and None. These are always available. The order in which Python searches for …
The LEGB Rule & Understanding Python Scope
May 27, 2025 · The letters in the acronym LEGB stand for Local, Enclosing, Global, and Built-in scopes. This summarizes not only the Python scope levels but also the sequence of steps that Python follows …
LEGB Demystified: Python’s Hidden Rule for Variable Lookup
May 31, 2025 · Understanding the LEGB rule helps clarify how Python resolves variable names and avoids some surprisingly common bugs. This guide walks through how Python handles variable …