Q. Which of the following operations cannot be done on string str1, where str1="LETSFINDCOURSE."? (A) str1+="Learning made easy" (B) str1[1]="a" (C) print(str1[1]) (D) str1[0:4] 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) str1[1]="a"