Why is the len ( ) function useful when using a loop to iterate through a stack? The len ( ) function will print the elements of the stack.
The len ( ) function will run with each iteration, printing the element number each time.
The len ( ) function will tell the program the number of elements in the stack.
The len ( ) function will remove the duplicate elements in the stack.

Read these lines from beowulf. often scyld scefing seized mead-benches from enemytroops, from many a clan, he terrified warriors, even thoughfirst he was found a waif, best explains why the author includes this information in theexposition? a. to emphasize that a hero must learn to be fierceb. to remember the famous story of a popular heroc. to express sadness about losing the old heroesd. to see whether people still respect the old heroes