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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 save(self, path, write_header=True):
 """ Save the current vector space in word2vec format. Parameters path : str The path to save the vector file to. write_header : bool, optional, default True Whether to write a word2vec-style header as the first line of the file """

        with open(path, 'w') as f:

            if write_header:
                f.write(u"{0} {1}\n".format(str(self.vectors.shape[0]),
                        str(self.vectors.shape[1])))

            for i in range(len(self.items)):

                w = self.indices[i]
                vec = self.vectors[i]

                f.write(u"{0} {1}\n".format(w,
                                            " ".join([str(x) for x in vec])))