13. None data type in Python | Python for absolute beginners | Learn Python Zero to Hero
💡 Python None Data Type – Understanding Null Values in Python!
In this video, I’ll explain the None data type in Python, how it works, and when to use it. None represents the absence of a value or a null value in Python, making it useful in various scenarios, such as default function return values, optional parameters, and handling missing data. 🚀
🔹 Topics Covered:
✅ What is NoneType in Python?
✅ Difference between None and 0, False, "" (empty string)
✅ How to check for None using is (not ==)
✅ Using None as a placeholder
✅ None as a function return value
✅ When and where to use None
✅ Practical examples of None in real-world programming
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