import datetime  
from datetime import date  
def differ_days(date1, date2):  
  
    a = date1  
    b = date2  
    return (a-b).days  
print()  
print(differ_days((date(2016,10,12)), date(2015,12,10)))  
print(differ_days((date(2016,3,23)), date(2017,12,10)))  
print()