main.py

# todo.py

def show_menu():
    print("\n===== TO-DO LIST MENU =====")
    print("1. View tasks")
    print("2. Add task")
    print("3. completed task")
    print("4. Exit")

def view_tasks(tasks):
    if not tasks:
        print("\nNo tasks in the list.")
    else:
        print("\nTasks:")
        for i, task in enumerate(tasks, start=1):
            print(f"{i}. {task}")

def add_task(tasks):
    task = input("Enter a new task: ")
    tasks.append(task)
    print("Task added.")

def completed_task(tasks):
    view_tasks(tasks)
    try:
        index = int(input("Enter the task number to remove: ")) - 1
        if 0 <= index < len(tasks):
            removed = tasks.pop(index)
            print(f"Removed task: {removed}")
        else:
            print("Invalid task number.")
    except ValueError:
        print("Please enter a valid number.")

def main():
    tasks = []
    while True:
        show_menu()
        choice = input("Choose an option: ")
        if choice == '1':
            view_tasks(tasks)
        elif choice == '2':
            add_task(tasks)
        elif choice == '3':
            completed_task(tasks)
        elif choice == '4':
            print("Goodbye!")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()