Aug 30, 2024 · NameError is raised when the identifier being accessed is not defined in the local or global scope. General causes for NameError being raised are : 1. Misspelled built-in …

Feb 19, 2024 · Learn what is the NameError: name is not defined in Python error, its root causes and how to fix it using different techniques.

NameError is a kind of error in Python that occurs when executing a function, variable, library, or string without quotes that have been typed in the code without any previous Declaration. When …

Feb 11, 2013 · The solution to this problem is to invoke your classes and functions after you define them. Python does not have any way to forward declare classes or methods so the only …

Feb 2, 2024 · Encountering the "NameError: name 'var' is not defined" is a common experience for Python users. In Python, variable declaration is a straightforward process of assigning a …

Feb 23, 2025 · A NameError occurs when Python tries to use a variable or function that hasn't been defined yet. This can happen for several reasons. For example, you might have …

NameError is a built-in exception that occurs when you try to use a variable or function name that isn’t defined yet. This usually happens if there’s a misspelling or if the name isn’t in the current …

Feb 23, 2025 · Learn how to fix NameError in Python with clear examples and step-by-step solutions. Perfect for beginners encountering this common error.

Mar 5, 2025 · Here’s an example that triggers this error: When you run this code, Python will raise a NameError because data is not defined. NameError: name 'data' is not defined. To fix this …

Jan 23, 2025 · One of the most common errors in Python is the NameError. This blog post aims to provide a detailed exploration of NameError in Python, including its fundamental concepts, …