Computer Science - Data Structures - Stacks - Stack Tracing

Trace stack operations. P1: 'push(1), push(2), push(3), pop(), peek()' → pop returns ___ [3], peek returns ___ [2]. P2: 'Balanced parentheses: ((())())' → is balanced? ___ [Yes]. P3: 'Balanced parentheses: ((()' → is balanced? ___ [No - stack not empty]. P4: 'Implement size()' → def size(self): retu