how to show rosbag file python 1

how to show rosbag file python

   import rosbag
   bag = rosbag.Bag('test.bag')
   for topic, msg, t in bag.read_messages(topics=['chatter', 'numbers']):
       print(msg)
   bag.close()

Here is what the above code is Doing:
1. Importing the rosbag package
2. Opening the bag file
3. Reading the messages in the bag file
4. Printing the messages
5. Closing the bag file

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