Mon Sep  7 08:15:36 2020 

iris_subplots
  R version 3.4.4 (2018-03-15) 
  For each of 3 varieties of iris, a number of specimens
  have been collected.  For each specimen, measurements
  made of sepal length (x1), sepal width (x2), petal length (x3)
  and petal width (x4).

  Create a 4x4 array of scatter plots that compare each
  pair of values.  Moreoever, use colors to distinguish the
  data belonging to each of the three varieties.
  Graphics saved as " iris_subplots.png "

iris_subplots:
  Normal end of execution.