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def bottle_song_recursive(n)
  if n==1
    puts "1 bottle of beer on the wall, 1 bottle of beer. Take one down, pass it around, no more bottles of beer on the wall!"
  else
    puts "#{n} bottles of beer on the wall, #{n} bottles of beer. Take one down, pass it around, #{n-1} bottles of beer on the wall!"
    n -= 1
    bottle_song_recursive(n) unless n == 0
  end
end