M Mr. Dubey 🎓 Coach ⭐ 103.44K Points 📊 Python Q. Which method is used to convert all characters in a string to uppercase? (A) upper() (B) uppercase() (C) capitalize() (D) toUpperCase() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) upper() Explanation: `upper()` returns a copy of the string with all characters in uppercase.