Fix Python NameError: name 'X' is not defined (2025 Guide)
 
                 Fix Python NameError: name 'X' is not defined (2025 Guide)                                                                                             Fix Python NameError: name 'X' is not defined (2025 Guide)          Posted on: March 19, 2025          Encountered a "NameError: name 'X' is not defined"  in Python? This error occurs when you try to use a variable, function, or module that hasn’t been defined or imported. Let’s fix it fast in this 2025 guide!           What Causes "NameError: name 'X' is not defined"?          This error happens when Python can’t find a name (variable, function, etc.) in the current scope. Common causes include:                       Typo in Name : Misspelling a variable or function name (e.g., "prnit" instead of "print").              Undefined Variable : Using a variable before assigning it a value.              Missing Import : Forgetting to import a module or fu...