interface Task {
  id: number;
  title: string;
  completed: boolean;
}

class TaskManager {
  private tasks: Task[] = [];

  constructor() {}

  addTask(title: string) {
    const taskId = this.tasks.length + 1;
    const task: Task = {
      id: taskId,
      title,
      completed: false,
    };
    this.tasks.push(task);
  }

  markTaskAsComplete(taskId: number) {
    const task = this.tasks.find((task) => task.id === taskId);
    if (task) {
      task.completed = true;
    }
  }

  markTaskAsIncomplete(taskId: number) {
    const task = this.tasks.find((task) => task.id === taskId);
    if (task) {
      task.completed = false;
    }
  }

  listTasks() {
    console.log('Tasks:');
    this.tasks.forEach((task) => {
      console.log(`${task.id}. [${task.completed ? 'X' : ' '}] ${task.title}`);
    });
  }
}

// Example usage:
const taskManager = new TaskManager();
taskManager.addTask('Buy groceries');
taskManager.addTask('Pay bills');
taskManager.addTask('Clean the house');
taskManager.listTasks();

// Output:
// Tasks:
// 1. [ ] Buy groceries
// 2. [ ] Pay bills
// 3. [ ] Clean the house

bytes_data = b'Hello, World!'
string_data = bytes_data.decode('utf-8')
print("String:", string_data)

def calculate_values():
    value1 = 10
    value2 = 20
    return value1, value2

result1, result2 = calculate_values()
print("Result 1:", result1)
print("Result 2:", result2)

filename = "data.txt"
with open(filename, "r") as file:
    file_contents = file.readlines()
    file_contents = [line.strip() for line in file_contents]

print("File contents:")
for line in file_contents:
    print(line)

from colorama import init, Fore

# Initialize colorama
init()

print(Fore.RED + "This text is in red color.")
print(Fore.GREEN + "This text is in green color.")
print(Fore.BLUE + "This text is in blue color.")

# Reset colorama
print(Fore.RESET + "This text is back to the default color.")

filename = "data.txt"
data = "Hello, World!"

with open(filename, "a") as file:
    file.write(data)