from sensor_msgs.msg import LaserScan scan = LaserScan() scan.header.frame_id = "laser" scan.angle_min = -1.57 scan.angle_max = 1.57 scan.angle_increment = 0.01 scan.time_increment = 0.001 scan.scan_time = 0.1 scan.range_min = 0.0 scan.range_max = 10.0 scan.ranges = [1.0, 2.0, 1.5, 3.0, 5.0] scan.intensities = [0.5, 1.0, 0.8, 0.6, 0.4]In this example, we create a new instance of the LaserScan message and set its header frame_id field to "laser". We also set the minimum and maximum angles to -1.57 and 1.57 radians respectively, the angle increment to 0.01 radians, the range data to 1.0, 2.0, 1.5, 3.0, and 5.0 meters, and the intensity data to 0.5, 1.0, 0.8, 0.6, and 0.4. The package library for the LaserScan message type is the `sensor_msgs` package in ROS.