How am I getting This output ?

Question

# I would like know the answers for both
#please help

list=[5,2,3,3,2,53,44,22,99,1]
print (list.pop(6))
print (list.insert(0,0))

OUTPUT:
44
None

Answer 1

the pop() returns the value you deleted
and the method insert() does not return anything but do change the list