my_robot_arm_demo.launch

<launch>

  <include file="$(find iri_wam_reproduce_trajectory)/launch/start_service.launch"/>

  <!-- Here will go our python script that calls the execute_trajectory service -->
    <node pkg ="unit_4_services"
        type="exercise_4_1.py"
        name="service_execute_trajectory_client"
        output="screen">
  </node>
  
  
</launch>