AddJobAfterClusterCreation.py

import boto3

connection = boto3.client(
    'emr',
    region_name='us-east-1',
    aws_access_key_id='YOUR ACCESS KEY',
    ws_secret_access_key='YOUR SECRET KEY',
)

cluster_id = 'give the cluster id'

if cluster_id != '':
    step = {
        'Name': 'file-copy-step-5',
        'ActionOnFailure': 'CONTINUE',
        'HadoopJarStep': {
                'Jar': 's3://kula-emr-test/jars/CopyFilesS3-1.0-SNAPSHOT-jar-with-dependencies.jar',
                'Args': ['test.xml', 'kula-emr-test', 'kula-emr-test-2']
        }
    }
    action = connection.add_job_flow_steps(JobFlowId=cluster_id, Steps=[step])
    print "Added step: %s" % (action)