# 7. Create a list of tuples of first name, last name, and age for your friends
# and colleagues. If you don't know the age, put in None. Calculate the
# average age, skipping over any None values. Print out each name,
# followed by old or young if they are above or below the average age.
list_=[]
tuple_1=('sita ','Dahal',27)
list_.append(tuple_1)
tuple_2=('Anit ','Basnet',32)
list_.append(tuple_2)
tuple_3=('kendra','Regmi','none')
list_.append(tuple_3)
tuple_4=('Bikalpa','Dhakal',24)
list_.append(tuple_4)
print(list_)

