"Linked List-2 done"

[Sahithipsl470]

No description provided.

[super30admin]

• The student has done an excellent job in implementing the solutions correctly and efficiently.
• The comments and explanations are clear and helpful.
• One minor suggestion: In the BST Iterator solution, the hasNext() method could be simplified to return !St.isEmpty() in Java and return len(self.stack) > 0 in Python for consistency with the reference solution.
• The Python solutions could benefit from type hints for better clarity, though this is optional.

Overall, the student has demonstrated a strong understanding of the problems and their solutions.