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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 getLemmatization(self, fullPOSTag=False):
 """ This function obtains the lemmas and PoS for the text sent :param fullPOSTag: Set to true to obtain the complete PoS tag :return: Dictionary of tokens from the syntactic tree with their lemmas and PoS """


        leaves = self._getTreeLeaves()
        lemmas = {}
        for leaf in leaves:
            analyses = []
            if 'analysis_list' in leaf.keys():
                for analysis in leaf['analysis_list']:
                    analyses.append({
                        'lemma': analysis['lemma'],
                        'pos': analysis['tag'] if fullPOSTag else analysis['tag'][:2]
                    })
            lemmas[leaf['form']] = analyses

        return lemmas