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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 word_fts(self, word):
 """Return featural analysis of `word` Args: word (unicode):
 one or more IPA segments Returns: list: list of lists (value, feature) tuples where each inner list corresponds to a segment in `word` """

        return list(map(self.fts, self.segs(word)))