📝 **Aufgabe:** Telefonbuch über Dictionary. 📋 `contacts = {"Anna": "050-111-22-33"}`, `contacts["Boris"] = "067-444-55-66"`, `print(contacts["Boris"])`. 💡 `prices["bread"] = 18; print(prices["bread"])` → 18 🎯 **Erwartete Ausgabe:** `067-444-55-66`