50 Claude Prompts for 2026: Written for Sonnet 4.6, System Prompts Included

50 copy-paste prompts for Claude Sonnet 4.6 across 10 categories — research, code review, writing, data analysis, and prompt chaining — with system prompts and operator gotchas included.

How to Build a Customer Lifetime Value Calculator with AI (Claude + Python, No Data Team)

Close-up view of Python code on a computer screen, reflecting software development and programming.

Build a predictive CLV calculator with Claude Sonnet 4.6, Python Lifetimes library, and Streamlit — no data team, no SaaS tool, under 2 hours.