import datetime  
from datetime import datetime  
  
def differ_days(date1, date2):  
    a = date1  
    b = date2  
    return (a-b).days  
print()  
print(differ_days((datetime(2016,10,12,0,0,0)), datetime(2015,12,10,0,0,0)))  
print(differ_days((datetime(2016,10,12,0,0,0)), datetime(2015,12,10,23,59,59)))  
print()  