SMRTR ProgrammingApr 13, 2026Real Python

How to Add Features to a Python Project With Codex CLI

SMRTR summary

Codex CLI is an AI-powered coding assistant that runs in your terminal, reads project files, and implements multi-file changes using natural language instructions. This guide demonstrates installing Codex CLI and using it to add a deletion feature to a Python contact book app with TUI interface. The tutorial covers setup, configuration, and iterative prompting to refine AI-generated code changes.

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