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.

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 …

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 …

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 …

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.

You get a NameError if you use a variable that does not exist: The NameError exception occurs if you use a variable that is not defined. You can handle the NameError in a try...except …

Jun 30, 2025 · NameError is a common error in Python that occurs when you try to use a name that is not defined in the current namespace. By understanding the causes of NameError, such …

Jul 2, 2020 · What causes a Python NameError? The Python NameError occurs when Python cannot recognise a name in your program. A name can be either related to a built-in function …

Jul 23, 2025 · 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 …