print('3. Peep Element') print('4. Search for Element') print('5. Exit') Choice = int(input('Enter your Choice:')) # Perform a task depending on user choice if Choice == 1: element = int(input('Enter Element:')) s.__push__(element) elif Choice == 2: element = s.pop() if element == -1: print('The Stack Is Empty') else: print('Popped element=', element) elif Choice == 3: element = s.peep() print('Topmost Element=', element) elif Choice == 4: element = int(input('Enter element:')) pos = s.search(element) if pos == -1: print('The Stack Is Empty') elif pos == -2: print('Element not Found in this Stack!') else: print('Element Found at Position:', pos) else: break print('Stack= ', s.Display())