Java Programs for Beginners

 class Stack:     def __init__(self):         self.items = []     def is_empty(self):         return len(self.items) == 0     def push(self, item):         self.items.append(item)         print(f"Pushed: {item}")     def pop(self):         if not self.is_empty():             popped_item = self.items.pop()             print(f"Popped: {popped_item}")             return popped_item         else:             print("Stack is empty. Cannot pop.")     def display(self):         if not self.is_empty():             print("Stack Contents:")             for item in reversed(self.items):             ...