def example_usage():
    import random                                                       # ADDED TO ENABLE TESTING
    import logging                                                      # ADDED TO ENABLE TESTING
    from optimizely import logger                                       # ADDED TO ENABLE TESTING
    from docs_validation.helper_functions.helpers import get_datafile, LoggerInfo       # ADDED TO ENABLE TESTING

    datafile = get_datafile()                                   # ADDED TO ENABLE TESTING
    user_id = str(random.randrange(0, 10000000000001, 2))        # ADDED TO ENABLE TESTING

    # some code here, but no return
    # I need to have access to user_id in the test