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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def elapsed():
 """ Displays the elapsed time since the step started running. """

    environ.abort_thread()
    step = _cd.project.get_internal_project().current_step
    r = _get_report()
    r.append_body(render.elapsed_time(step.elapsed_time))

    result = '[ELAPSED]: {}\n'.format(timedelta(seconds=step.elapsed_time))
    r.stdout_interceptor.write_source(result)