pub_template.py

#!/usr/bin/env python
import rospy 

def main ():
    rospy.init_node('turtle_commander', anonymous=True)
    rate = rospy.Rate(10) # 10 Hz
    while not rospy.is_shutdown():
        # TODO
        
        # END
        rate.sleep()
        
if __name__ == '__main__':
    try:
        main()
    except rospy.ROSInterruptException:
        pass