Apr 15, 2018 · It gives me a NameError: name 'temp_string' is not defined. For line temp_c = float(temp_string) / 1000.0, a line before you have temp_sting instead of temp_string, not sure if it is the same variable you want to use. Oh sorry that was a typo 'temp_string' is what i …

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 option is to put the invocations of functions at the end of the program rather than the beginning.

Nov 17, 2014 · Your specific issue of NameError: name 'guess' is not defined is because guess is defined in your main function, but the while loop that it is failing on is outside of that function. Your indention is entirely wrong for this application.

Jul 2, 2020 · The Python NameError occurs when Python cannot recognise a name in your program. A name can be either related to a built-in function or to something you define in your program (e.g. a variable or a function) .

Jul 13, 2020 · In your example "temperatures" is defined inside the scope of function get_input (). The print statements at the bottom of the module are outside the get_input () function's scope and cannot see "temperatures". You could fix this by defining "temperatures in the module scope.

Feb 23, 2025 · Fixing a NameError involves identifying the root cause and correcting it. Here are some steps to help you resolve it. 1. Check for Typos. Double-check your code for any misspelled variable or function names. Correcting typos often resolves the issue. 2. Define Variables and Functions Before Use.

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.

Apr 14, 2025 · A NameError in Python is raised when the interpreter tries to access a name (such as a variable, function, or module) that has not been defined in the current scope. This error is a clear indication that there is a problem with the naming and scope resolution in the code.

Jan 31, 2018 · I am getting Name Error every time I am trying to execute a program. My code and everything is right though. Name Error: Name 'b' is not defined def celsius_to_fahrenheit(temp): newTemp = (9/5)* temp

Feb 23, 2025 · The NameError: name is not defined is a common error in Python. It usually occurs due to typos, undefined variables, or scope issues. By understanding these causes, you can easily fix the error. For a deeper understanding, read our article on Understanding NameError in …