def _ssweek_num_weeks(ssweek_year):
    "Get the number of Sundaystarting-weeks in this year"
    year_start = _ssweek_year_start(ssweek_year)
    next_year_start = _ssweek_year_start(ssweek_year+1)
    year_num_weeks = ((next_year_start - year_start).days) // 7
    return year_num_weeks
def _ssweek_num_weeks ( ssweek_year ) : year_start = _ssweek_year_start ( ssweek_year ) next_year_start = _ssweek_year_start ( ssweek_year + 1 ) year_num_weeks = ( ( next_year_start - year_start ) . days ) // 7 return year_num_weeks
Get the number of Sundaystarting-weeks in this year