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How to Format Python Code - Step by Step Guide

Step 1

Input Your Python Code

Get your Python code into the formatter! Whether you're working with scripts, modules, or application code following PEP 8 guidelines:

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Paste directly: Copy your Python code and paste it into the input editor
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Upload a file: Click "Upload" to select a .py file from your computer
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Try the sample: Click "Sample" to load example Python code
Step 2

Automatic Formatting & Validation

The formatter automatically applies PEP 8 style guidelines and Black formatter standards:

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Validates syntax: Checks for Python syntax errors and indentation issues
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Fixes indentation: Standardizes spacing and indentation (4 spaces per level)
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Organizes imports: Sorts and groups import statements properly
Step 3

Export Your Formatted Code

Get your formatted Python code ready for use in your Python projects, compatible with tools like Pylint and Flake8:

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Copy to clipboard: One-click copying for quick pasting
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Download as file: Save as a .py file for your Python projects

Frequently Asked Questions

What is PEP 8 and why is it important?

PEP 8 is Python's official style guide that defines coding conventions for Python code. Following PEP 8 makes your code more readable, maintainable, and consistent with the broader Python community's standards.

How does Python indentation work?

Python uses indentation (typically 4 spaces) to define code blocks instead of braces. Proper indentation is crucial as it affects code execution. Our formatter automatically fixes indentation issues to match Python standards.

Can this formatter fix syntax errors?

The formatter will detect and highlight syntax errors but won't automatically fix them. It focuses on style and formatting issues like indentation, spacing, and code organization while preserving your code's logic.