GitHub recently announced Copilot, an AI-powered pair programmer designed to help developers write code faster and with less effort. The service learns from comments and existing code, suggesting new lines and the implementation of whole functions. Powered by Codex, the AI system created by OpenAI, Copilot works with different frameworks and languages. Nat Friedman, CEO of GitHub, suggests that the technical preview works better with Python, JavaScript, TypeScript, Ruby, and Go, but it is designed to understand other programming languages too. The Visual Studio Code sends comments and code typed by the developer to the GitHub Copilot service, which synthesizes and suggests the implementation.