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. If you want your while guess != number: to work, you need to make it part of main

Jun 24, 2015 · learning Python, and for some reason I can't get the python remove function to work. It works when I'm testing it interactively in Python in the console but not when I write a script. Please help me out! it turns the input into a list but doesn't remove the vowels.

Feb 19, 2024 · Before using a variable or calling a function, check if it exists to avoid NameError: name is not defined in Python. We can use the in-operator or hasattr() function in Python to determine if a name is defined. The in operator checks if the value exists in the provided iterable or not in Python.

Aug 30, 2024 · Prerequisites: Python Exception Handling. There are several standard exceptions in Python and NameError is one among them. NameError is raised when the identifier being accessed is not defined in the local or global scope. General causes for …

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 12, 2024 · There are many reasons to get the NameError: function is not defined in Python, and we will discuss the most common reason for getting this error. When we call the function before defining it in our program, the Python interpreter cannot find the function definition.

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.

Jul 2, 2020 · You execute your Python program and you see an error, "NameError: name ... is not defined". What does it mean? Let's see how you can quickly fix it.

Oct 27, 2021 · It may not need to be a global if the only other place it is used is in play(). My recommendation is to. Remove the nested function definitions. They’re not making your code clearer. Remove turn from play(). Put that logic elsewhere. Now play() doesn’t need to modify it and you don’t have to make it a global variable.

Feb 23, 2025 · Fixing a NameError is usually straightforward. Here are some tips to help you resolve it. First, check for typos in your variable names. Make sure you are using the correct case and spelling. Ensure that all variables are defined before you …