examples [
  [the < length < of < list < emptylist < is < 0]
  [the < length < of < list < ["a"] < is < 1]
  [the < length < of < list < ["a", "b"] < is < 2]
  [the < length < of < list < ["yo", "hey", "what"] < is < 3]
]
  
implementation [
  [the < length < of < list < X < is < countStars(X)]
]