ruby-uebungen/Assignment_023/solution/readme.md

# Lösung: Hashes

<div style="border: 1px solid grey;"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div>
```ruby
worte = %w{ Bier Schnaps Bier Vodka Rum Baileys Rum Bier Vodka Bier Hugo }

def de_dupe(input)
  hash = {}
  input.each { |e| hash[e] = true }
  hash.keys.sort
end

puts de_dupe(worte)
```