old_contents: from jsonrpcclient.zeromq_client import ZeroMQClient
  
  response = ZeroMQClient('tcp://localhost:5000').ping()
  print(response)
  
new_contents: from jsonrpcclient.zeromq_client import ZeroMQClient
  
  response = ZeroMQClient('tcp://localhost:5000').request('ping')
  print(type(response))
  print(response)
  
subject: Adjust zeromq example