#---
# Excerpted from "Programming Ruby 3.2",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit https://pragprog.com/titles/ruby6 for more book information.
#---
song = 1
sam = ""
def sam.play(_a)
  "duh dum, da dum de dum ..."
end
"gin joint".length
"Rick".index("c")
42.even?
sam.play(song)
