def report_url_gen(starting_report_url):
    """
    Returns the original url followed by copies with the report id incremented by 1
    starting_report_url: 'https://canvas.csun.edu/api/v1/courses/85210/quizzes/165098/reports/92640'
    """
    r = starting_report_url.split('/')
    url_stub = '/'.join(r[:-1])
    rid = int(r[-1:][0])
    while True:
        yield '{}/{}?include[]=progress&include[]=file'.format(url_stub, rid)
        rid += 1
