Difference between two dates

diffDates.py

import datetime

mdate = "2017-10-19"  #Write your date Here
rdate = datetime.datetime.now().strftime("%Y-%m-%d")  #Current Date
mdate1 = datetime.datetime.strptime(mdate, "%Y-%m-%d").date()
rdate1 = datetime.datetime.strptime(rdate, "%Y-%m-%d").date()
delta =  (mdate1 - rdate1).days #calculate difference between dates
print "%d days Left!!"%(delta)