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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def stem(self, word):
 """ Stem the word if it has more than two characters, otherwise return it as is. """


        if len(word) <= 2:
            return word
        else:
            word = self.remove_initial_apostrophe(word)
            word = self.set_ys(word)
            self.find_regions(word)

            word = self.strip_possessives(word)
            word = self.replace_suffixes_1(word)
            word = self.replace_suffixes_2(word)
            word = self.replace_ys(word)
            word = self.replace_suffixes_3(word)
            word = self.replace_suffixes_4(word)
            word = self.delete_suffixes(word)
            word = self.process_terminals(word)

            return word