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+# Source Attribution
+
+Course: Practical Python Programming
+Author: David Beazley
+Source: https://github.com/dabeaz-course/practical-python
+Pinned commit: 93dca856b41c61a0a0f85ae334116e4c125629ea
+License: CC BY-SA 4.0
+
+This knowledge base is derived from Practical Python Programming. Generated summaries,
+concept pages, translations, and adapted course materials should preserve attribution
+and follow CC BY-SA 4.0 share-alike requirements.