Python Decorators — The Magic Behind the @ Symbol
Learn how Python decorators work from first principles. This guide covers function decorators, class decorators, decorator factories, and real-world patterns used in Flask, FastAPI, and Django.
5 articles
Learn how Python decorators work from first principles. This guide covers function decorators, class decorators, decorator factories, and real-world patterns used in Flask, FastAPI, and Django.
Master Python functions: def syntax, arguments, return values, *args/**kwargs, lambda, closures, and first-class functions. Everything from beginner basics to advanced patterns used in production code.
Master Python list comprehensions with real-world examples. This guide covers filtering, transforming, nesting, dict/set comprehensions, and generator expressions for writing faster, more Pythonic code.
Master pandas for data analysis: DataFrames, Series, filtering, groupby, merging, handling missing data, and exporting results. Real-world examples for data cleaning, aggregation, and exploration.
Master Python type hints: basic annotations, generics, Union, Optional, TypedDict, Protocol, and dataclasses. Learn how type hints power FastAPI, Pydantic, and mypy for safer, self-documenting code.