Add Python docstrings

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Enhancements to Image Downloading Scripts 📸✨

📊 Key Changes

• Added docstrings to functions for better understanding and maintenance.
• Improved exception handling to give clearer error messages.
• Introduced functionality for organizing downloaded images into folders.
• Added support for parsing user input for configurational adjustments.
• Enhanced URL building capabilities for more precise image searches.
• Implemented methods for repairing invalid JSON and managing file sizes more efficiently.
• Refined the process of downloading images and handling similar image searches.

🎯 Purpose & Impact

• Enhanced Clarity and Maintainability: The addition of docstrings makes it easier for developers to understand and contribute to the project. 📖
• User Experience: Clearer error messaging and organized downloads improve the overall user experience. 🛠️
• Flexibility in Searches: Advanced URL building and search parameter handling allow users to tailor their searches more specifically. 🕵️‍♂️
• Efficiency Improvements: Better file size management and JSON repair mechanisms contribute to the efficiency of the tool. 🚀
• Increased Functionality: Support for similar image searches and user input parsing opens new possibilities for users. 🌈

These changes aim to make the image downloading scripts more robust, user-friendly, and capable of handling a wide range of user needs.