Type Hints Explained: Video Resources

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Best Single Video

Can you BELIEVE all this new type hinting stuff? New in Python 3.10 - Part I by mCoding (12 min) Why: Covers the modern type hinting syntax introduced in Python 3.10 including union types with |, TypeAlias, and ParamSpec. mCoding explains not just the syntax but the reasoning behind each addition. Essential for writing current Python.

Alternatives

• Python Typing - Type Hints & Annotations by Tech With Tim (25 min). Comprehensive tutorial covering the typing module, mypy, function annotations, and types like List, Dict, Optional, Any, and Callable. Good systematic walkthrough of the full typing landscape.
• Goodbye, List! Type hinting standard collections - New in Python 3.9 by mCoding (5 min). Short and focused on the simplification that lets you write list[int] instead of List[int]. Quick win for cleaner code.

Deep Dives

• Python dataclasses will save you HOURS, also featuring attrs by mCoding (12 min). Shows how type hints combine with dataclasses to create self-documenting, validated data structures. Demonstrates type hints in practice rather than in isolation.

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Last verified: February 2026