S Sikhar Chaudhary 🎓 Tutor III ⭐ 5.88K Points 📊 Pandas Q. Which method is used to join two DataFrames based on their index? (A) merge() (B) join() (C) concat() (D) append() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) join() Explanation: The join() method combines DataFrames based on their index, similar to SQL JOIN.