Mubashir-alam

<launch>
  <!-- Start the turtlesim node -->
  <node name="turtlesim_node" pkg="turtlesim" type="turtlesim_node" output="screen" />

  <!-- Spawn the 'hour' turtle using /spawn service with a different name -->
  <node name="robot_1" pkg="rosservice" type="rosservice" args="call /spawn 2.5 5.5 1.5708 hour" output="screen"/>

  <!-- Spawn the 'minute_robot' turtle using /spawn service -->
  <node name="robot_2" pkg="rosservice" type="rosservice" args="call /spawn 5.5 5.5 1.5708 minute" output="screen"/>