code: def _r1_scandinavian(self, word, vowels):
          
          r1 = ""
          for i in range(1, len(word)):
              if word[i] not in vowels and word[i-1] in vowels:
                  if len(word[:i+1]) < 3 and len(word[:i+1]) > 0:
                      r1 = word[3:]
                  elif len(word[:i+1]) >= 3:
                      r1 = word[i+1:]
                  else:
                      return word
                  break
  
          return r1
docs: Return the region R1 that is used by the Scandinavian stemmers.
  
          R1 is the region after the first non-vowel following a vowel,
          or is the null region at the end of the word if there is no
          such non-vowel. But then R1 is adjusted so that the region
          before it contains at least three letters.
  
          :param word: The word whose region R1 is determined.
          :type word: str or unicode
          :param vowels: The vowels of the respective language that are
                         used to determine the region R1.
          :type vowels: unicode
          :return: the region R1 for the respective word.
          :rtype: unicode
          :note: This helper method is invoked by the respective stem method of
                 the subclasses DanishStemmer, NorwegianStemmer, and
                 SwedishStemmer. It is not to be invoked directly!