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Title: Understanding and Resolving IndentationError: Unexpected Indent in Python 3
Introduction:
Python is known for its readability and simplicity, but one common error that many beginners encounter is the "IndentationError: unexpected indent." This error occurs when there is an issue with the indentation of code blocks in Python. In this tutorial, we'll explore the causes of this error and provide solutions to resolve it.
In Python, indentation plays a crucial role in defining the structure of code blocks. Unlike other programming languages that use braces or keywords to denote blocks of code, Python uses indentation. The "IndentationError: unexpected indent" occurs when there is an inconsistency in the indentation of statements within a block.
Mixing Tabs and Spaces:
Python is sensitive to the use of tabs and spaces for indentation. Mixing tabs and spaces in the same code block can lead to indentation errors.
Solution: Stick to either tabs or spaces consistently throughout your code.
Inconsistent Indentation Levels:
Python expects consistent indentation levels within the same block. If there is a mix of spaces and tabs or inconsistent spaces, an indentation error will occur.
Solution: Make sure all lines within a block have the same level of indentation.
Missing or Extra Indentation:
For Python, indentation is not optional; it is required to define code blocks. Forgetting to indent or adding extra indentation where it's not needed can result in an unexpected indent error.
Solution: Ensure that all code within a block is consistently indented.
Let's look at an example that triggers the "IndentationError: unexpected indent" and discuss how to fix it:
To fix the indentation error in the provided example, adjust the indentation levels to ensure consistency:
Understanding and resolving the "IndentationError: unexpected indent" in Python is crucial for writing clean and error-free code. By paying attention to indentation details and avoiding common mistakes, you can enhance the readability and maintainability of your Python code.
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