S Sikhar Chaudhary 🎓 Tutor III ⭐ 5.88K Points 📊 Pandas Q. Which method is used to set a column as the index of a DataFrame? (A) set_index() (B) index_column() (C) assign_index() (D) reset_index() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) set_index() Explanation: set_index() sets one or more columns as the index of the DataFrame.