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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, filename, addnormalised=False):
 """Save a frequency list to file, can be loaded later using the load method"""

        f = io.open(filename,'w',encoding='utf-8')
        for line in self.output("\t", addnormalised):
            f.write(line + '\n')
        f.close()