text: """
  Simple Scatter Plot
  -------------------
  A simple example of an interactive scatter plot using the well-known iris
  dataset.
  """
  # category: simple charts
  
  import altair as alt
  from vega_datasets import data
  
  iris = data.iris()
  
  alt.Chart(iris).mark_point().encode(
      x='petalWidth',
      y='petalLength',
      color='species',
      tooltip='species'
  ).interactive()
  