Jul 15, 2025 · To specifically handle NameError in Python, you need to mention it in the except statement. In the following example code, if only the NameError is raised in the try block then …

Sep 3, 2025 · Learn how to fix the Python error "NameError: name is not defined" with clear examples, causes, and solutions. Easy guide for beginners and professionals.

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.

Here is the code that causes the problem: class Something: def out(): print("it works") This is being run with Python 3.3.0 under Windows 7 x86-64. Why can't the Something class be …

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 …

Definition and Usage The NameError exception occurs if you use a variable that is not defined. You can handle the NameError in a try...except statement, see the example below.

Apr 14, 2025 · This blog post will dive deep into the fundamental concepts of Python `NameError`, explore its usage methods, discuss common practices, and present best practices to avoid …

The NameError: name '...' is not defined is one of Python's most fundamental errors. It occurs when you try to use a variable, function, class, or module that Python doesn't recognize in the …

Nov 14, 2025 · This blog post aims to provide a comprehensive understanding of `NameError` in Python, including its fundamental concepts, usage, common practices, and best practices.

Feb 23, 2025 · Learn why NameError occurs in Python, common causes, and how to fix it. Suitable for beginners encountering this error.