gistfile1.txt

from datetime import datetime, timedelta                                                                                                                                                          
import functools                                                                
import pickle                                                                   
                                                                                
def days_ago(days):                                                             
    dt = datetime.now() - timedelta(days=days)                                  
    return dt.strftime('%y%m%s')                                                
                                                                                
print pickle.dumps(functools.partial(days_ago, 1))