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Selection and iteration constructs can be nested within each other. Any combination of selection and iteration is possible. So, for example, a for next loop might have an if … else … end if selection within it.

This example has an if … else … end if construct nested within another if … else … end if construct:

age is integer
                input “How old are you?”, age
                if age >= 16
                    output “You are old enough to drive a moped!”
                    if age >= 17
                    output “You are old enough to drive a car!”
                        end if
                else
                    output “Come back when you are older!”
                end if