ddate in YYMDD format

ddt

#!/usr/bin/python2

#pip install ddate
from ddate.base import DDate 

def ddt():
    dd = DDate()
    day = str(dd.day_of_season).zfill(2)
    SEASONS = { 0: "C", 1: "D", 2: "V", 3: "B", 4: "A"}
    season = SEASONS[dd.season]
    year = str(dd.year)[-2:]
    return year+season+day

if __name__ == '__main__':
    print ddt()