Computers and Technology

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.

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Why is the len ( ) function useful when using a loop to iterate through a stack?
the len ( )...

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