def test_peek_2():
queue = Queue()
queue.insert("Cabbage", 5)
queue.insert("mayo", 88)
queue.insert("Slaw", 4)
queue.insert("Village People", 7)
queue.insert("Coffee", 1)
assert queue.peek() == "Coffee"
queue.pop()
assert queue.peek() == ("Slaw")
def test_peek():
queue = Queue()
queue.insert("Bacon", 25)
queue.insert("Eggs", 63)
queue.insert("Fajitas", 67)
queue.insert("Chicken", 5)
assert queue.peek() == "Chicken"