Clean up topics vs practices in config.json

bin/clean_topics_vs_practices.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+import json
+
+
+def main():
+    with open("config.json", encoding="utf-8") as f:
+        config = json.load(f)
+
+    concepts = {c['slug'] for c in config['concepts']}
+
+    for practice_exercise in config['exercises']['practice']:
+        if practice_exercise['topics'] is None:
+            continue
+
+        practice_exercise['practices'].extend((topic for topic in practice_exercise['topics'] if topic in concepts))
+        practice_exercise['topics'] = [topic for topic in practice_exercise['topics'] if topic not in concepts]
+
+    for concept in concepts:
+        count = 0
+        for practice_exercise in config['exercises']['practice']:
+            if concept in practice_exercise['practices']:
+                count += 1
+                if count > 10:
+                    practice_exercise['practices'].remove(concept)
+                    practice_exercise['topics'].append(concept)
+
+    for practice_exercise in config['exercises']['practice']:
+        practice_exercise['practices'].sort()
+
+        if practice_exercise['topics'] is not None:
+            practice_exercise['topics'].sort()
+
+
+    with open("config.json", 'w', encoding="utf-8") as f:
+        json.dump(config, f, indent=2, ensure_ascii=False)
+        f.write('\n')
+
+    print("Updated config.json")
+
+
+if __name__ == '__main__':
+    main()