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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 runtime_from_date(start_date, years, months, days, seconds, caltype):
 """ Get the number of seconds from start date to start date + date_delta. Ignores Feb 29 for caltype == NOLEAP. """


    end_date = start_date + relativedelta(years=years, months=months,
                                          days=days)
    runtime = end_date - start_date

    if caltype == NOLEAP:
        runtime -= get_leapdays(start_date, end_date)

    return int(runtime.total_seconds() + seconds)