ros_blinkRandom_pyhon

#!/usr/bin/env python

import rospy
from std_msgs.msg import Int8
from random import randint

def talker():
    pub = rospy.Publisher('chatter', Int8, queue_size=10)
    rospy.init_node('talker', anonymous=True)
    rate = rospy.Rate(1) # 10hz
    while not rospy.is_shutdown():
        #hello_str = ran4
        hello_str = randint(1,5)
        rospy.loginfo(hello_str)
        pub.publish(hello_str)
        rate.sleep()

if __name__ == '__main__':
    try:
        talker()
    except rospy.ROSInterruptException:
        pass