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| 1 | +class TaskManager: |
| 2 | + def __init__(self): |
| 3 | + self.tasks = [] |
| 4 | + |
| 5 | + def add_task(self, task): |
| 6 | + self.tasks.append({"task": task, "completed": False}) |
| 7 | + |
| 8 | + def delete_task(self, index): |
| 9 | + if 0 <= index < len(self.tasks): |
| 10 | + del self.tasks[index] |
| 11 | + else: |
| 12 | + print("Invalid task index") |
| 13 | + |
| 14 | + def mark_task_completed(self, index): |
| 15 | + if 0 <= index < len(self.tasks): |
| 16 | + self.tasks[index]["completed"] = True |
| 17 | + else: |
| 18 | + print("Invalid task index") |
| 19 | + |
| 20 | + def display_tasks(self): |
| 21 | + print("Tasks:") |
| 22 | + for i, task in enumerate(self.tasks): |
| 23 | + status = "Completed" if task["completed"] else "Pending" |
| 24 | + print(f"{i+1}. {task['task']} - {status}") |
| 25 | + |
| 26 | + |
| 27 | +def main(): |
| 28 | + task_manager = TaskManager() |
| 29 | + |
| 30 | + while True: |
| 31 | + print("\nOptions:") |
| 32 | + print("1. Add Task") |
| 33 | + print("2. Delete Task") |
| 34 | + print("3. Mark Task as Completed") |
| 35 | + print("4. View Tasks") |
| 36 | + print("5. Exit") |
| 37 | + |
| 38 | + choice = input("Enter your choice: ") |
| 39 | + |
| 40 | + if choice == "1": |
| 41 | + task = input("Enter the task: ") |
| 42 | + task_manager.add_task(task) |
| 43 | + elif choice == "2": |
| 44 | + index = int(input("Enter the index of the task to delete: ")) - 1 |
| 45 | + task_manager.delete_task(index) |
| 46 | + elif choice == "3": |
| 47 | + index = int(input("Enter the index of the task to mark as completed: ")) - 1 |
| 48 | + task_manager.mark_task_completed(index) |
| 49 | + elif choice == "4": |
| 50 | + task_manager.display_tasks() |
| 51 | + elif choice == "5": |
| 52 | + print("Exiting...") |
| 53 | + break |
| 54 | + else: |
| 55 | + print("Invalid choice. Please try again.") |
| 56 | + |
| 57 | + |
| 58 | +if __name__ == "__main__": |
| 59 | + main() |
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