diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![Open in Codeanywhere](https://img.shields.io/badge/Open%20in-Codeanywhere-7f3f97)](https://app.codeanywhere.com/#https://github.com/michaelliao/learn-python3)
+
 Python 3 教程
 ============