diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,3 +1,4 @@
+[![Open in Codespaces](https://classroom.github.com/assets/launch-codespace-7f7980b617ed060a017424585567c406b6ee15c891e84e1186181d67ecf80aa0.svg)](https://classroom.github.com/open-in-codespaces?assignment_repo_id=14929859)
 # AP Computer Science A FRQ CheckDigit