Streaming data pipeline
Chain generators to process files bigger than memory, one record at a time.
Expert Python
The course that turns working Python into elegant Python. Master lazy iteration with generators, wrap behaviour with decorators, manage resources with context managers, hook into the data model with dunder methods, and wield functools, itertools, type hints and dataclasses like a senior engineer.
Real work, not toy syntax
What this course helps you build
Each lesson connects the Python concept to work you could automate, analyse or ship.
Retry & caching layers
Wrap flaky API calls with decorators that retry, time and memoize them.
Safe transactions
Guarantee commit-or-rollback cleanup with your own context managers.
A tiny framework
Use dunders, dataclasses and type hints to design APIs that feel native.
Course roadmap
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1
Start →
Generators & Lazy Iteration
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2
Start →
Closures & Decorators
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3
Start →
Context Managers & the with Statement
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4
Start →
Dunder Methods & the Python Data Model
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5
Start →
Functional Power Tools: functools & itertools
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6
Start →
Type Hints, Dataclasses & Modern Python
You can take every lesson without an account — but create a free account to save progress, earn XP and unlock achievements.