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⚡ AI Lessons

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python click: Build Beautiful CLI Tools in Minutes
click is the better argparse — decorators instead of boilerplate, automatic help text, type validation, and composable commands. Here's how to use it.

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python Error Handling: try, except, finally, and raise Done Right
Master Python exception handling: catching specific errors, finally for cleanup, raising custom exceptions, and patterns for resilient automation scripts that d

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python Decorators: Wrap Functions Without Touching Them
Understand Python decorators from first principles: closures, functools.wraps, stacked decorators, decorators with arguments, and real patterns for retry, timin

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python Type Hints: A Practical Beginner's Guide
Add type hints to Python functions and variables: basic types, Optional, Union, list[str], dict, Callable, and how to use mypy to catch bugs before runtime.

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python argparse: Build CLI Tools in 10 Minutes
argparse turns any Python script into a proper CLI tool: help text, type validation, defaults, and subcommands — all from the standard library.

Dev.to · German Yamil
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Python argparse: Build CLI Tools in 10 Minutes
argparse turns any Python script into a proper CLI tool: help text, type validation, defaults, and subcommands — all from the standard library.
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