When Python encounters a problem with the indentation of your program, it either raises an exception called IndentationError or TabError. It's also possible to get a SyntaxError from incorrect indentation.

Sep 13, 2025 · Python enforces indentation to define the scope of loops, functions, conditionals and other blocks of code. If your indentation is inconsistent or misplaced, Python will throw an error …

IndentationError is a built-in exception that Python raises when your code’s indentation is incorrect. Because Python uses indentation to define code blocks, you must consistently use spaces or tabs so …

To resolve IndentationError, ensure that your code is consistently indented using spaces (recommended) or tabs, but not a mixture of both. Also, check for any extra or missing indentation …

If your indentation is inconsistent — or mixed between tabs and spaces — Python will refuse to run your script and raise an IndentationError or TabError. This guide explains why indentation breaks, …

Jan 22, 2026 · Understand and fix Python IndentationError messages. Learn about consistent indentation, common causes, and tools to prevent these errors.

Oct 29, 2025 · How can developers correctly manage whitespace to prevent frustrating IndentationError, TabError, or related SyntaxError exceptions? This deep dive examines Python’s foundational …

This tutorial provides a comprehensive guide to understanding, troubleshooting, and preventing IndentationError in Python, helping programmers write cleaner, more reliable code.

Aug 11, 2023 · To resolve the "IndentationError expected an indented block," you must indent the code blocks correctly. Follow these steps to debug your code: Start by identifying the line of code specified …

Jul 1, 2022 · Let’s explore the causes of the Python indentationerror a little further. Earlier, you learned that the error is caused by mixing spaces and tabs in indenting code as well as having improperly …