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Copilot explain feature

As explained in Learn AI-Assisted Python Programming, Second Edition

The Copilot /explain command requests an explanation of selected code in Copilot Chat.

Use Copilot Chat to explain selected Python code in plain language instead of trying to understand every line alone. Highlight the code, open Copilot Chat in VS Code, and run the /explain command. section 4.2

A practical explanation workflow:

  • Highlight the function or code you want to understand. section 4.2
  • Open Copilot Chat with the Activity Bar, Ctrl-Alt-I, or Quick Chat with Ctrl-Shift-I. section 4.2
  • Enter /explain, or ask /explain how the selected code works. section 4.2
  • If the workspace option is requested or the command fails, try the alternative command or use the right-click Copilot menu. section 4.2

Explaining best_word

Highlight the best_word function, open Copilot Chat, and enter /explain. Copilot responds about the selected code in natural language and may also provide code, links, buttons, or suggested questions. section 4.2

/explain how the selected code works

View the complete command form used to request an explanation of selected code. section 4.2

How Learn AI-Assisted Python Programming, Second Edition covers it

How deep it goes
Provides a procedural walkthrough from selecting code to invoking /explain, with interface alternatives and troubleshooting.
Examples
Uses the best_word function, highlighted editor code, /explain commands, and Copilot Chat menus.
What it assumes
Assumes VS Code, the Copilot extension, and selectable Python code; teaches slash-command syntax from zero.
What you can do after
Apply it via Copilot Chat to obtain a natural-language explanation of selected code.
How it connects
Connects selected code with Copilot Chat, slash commands, VS Code, and workspace context.
Cover of Learn AI-Assisted Python Programming, Second Edition
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Learn AI-Assisted Python Programming, Second Edition. The section links point to the parts of the book it draws on.