0#this examples demonstrate use of datetime module
import datetime
ob=datetime.datetime.now()
print("-"*25)
print(ob)
print(ob.year)
print(ob.month)
print(ob.day)
print(ob.hour)
print(ob.minute)
print(ob.second)
str1=str(ob.hour)+':'+str(ob.minute)+':'+str(ob.second)
print (str1)
print("-"*25)
print("1 week ago was it:",ob - datetime.timedelta(weeks=1))
print("100 days ago it was :",ob-datetime.timedelta(days=100))
print("1 week from now it will be:",ob + datetime.timedelta(weeks=1))
print("1000 days ago it will be :",ob + datetime.timedelta(days=100))
print("-"*25)
bday=datetime.datetime(1980,6,10)
print("Birthday in....",ob - bday)
print("-"*25)
