Bottle of beer examples

beer.rb

bottle_num = 100

# You can clean up the the puts statement using interpolation (i.e. "Some words #{a_variable} and more words")
#
while bottle_num > 0
  puts "#{bottle_num -= 1} bottles of beer on the wall"
end

# Or you could even one line it.
#
puts "#{bottle_num -= 1} bottles of beer on the wall" until bottle_num.zero?