IoT_Furniture_Localization/launch/turtle_launch.py

from launch import LaunchDescription
from launch_ros.actions import Node

def generate_launch_description():
    return LaunchDescription([
        Node(
            package='turtlesim',
            executable='turtlesim_node',
        ),
        Node(
            package='turtlesim',
            executable='turtle_teleop_key',
        ),
    ])