In your case, Var1 is considered as a local variable, and it's used before being set, thus the error. To solve this problem, you can explicitly say it's a global by putting global Var1 in you function.

Jul 23, 2025 · Developers often encounter the UnboundLocalError Local Variable Referenced Before Assignment error in Python. In this article, we will see what is local variable referenced before …

Jul 23, 2025 · Discover the root causes of Python's UnboundLocalError and explore practical, code-driven solutions to effectively resolve this common issue.

The UnboundLocalError: cannot access local variable 'X' where it is not associated with a value occurs due to Python's scope rules when a variable is read before being assigned within its local scope.

Nov 25, 2024 · Understand and fix Unbound Local and Unicode errors in Python with clear examples and step-by-step solutions.

Python doesn't have variable declarations, so it has to figure out the scope of variables itself. It does so by a simple rule: If there is an assignment to a variable inside a function, that variable is considered …

Mar 27, 2025 · This blog post should provide readers with a comprehensive understanding of the Python UnboundLocalError, enabling them to write more robust and error - free Python code.

Learn how to fix and prevent unbound local errors in your Python code. This comprehensive guide will provide you with the necessary tools to troubleshoot and debug your code, ensuring that your …

May 26, 2023 · One of the common errors that Python developers encounter is the ‘UnboundLocalError’. This error occurs when a local variable is referenced before it is assigned a value. In this article, we …

Dec 31, 2023 · To fix an UnboundLocalError, you need to identify the scope of the problematic variable and ensure it is correctly used within that scope. Make sure to initialize the variable within the …