update readme

mlincon · Jun 30, 2024 · de5c728 · de5c728
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diff --git a/README.md b/README.md
@@ -6,3 +6,9 @@ Link: https://github.com/DataTalksClub/llm-zoomcamp
 
 - Get Cohere AI key: https://cohere.com/blog/free-developer-tier-announcement
 - LiteLLM docs: https://litellm.vercel.app/docs/providers/cohere
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+# Git prune untracked branches
+
+https://stackoverflow.com/questions/7726949/remove-tracking-branches-no-longer-on-remote
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+`git fetch -p && for branch in $(git branch -vv | grep ': gone]' | awk '{print $1}'); do git branch -D $branch; done`