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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 _playlist_format_changed(self):
 """ Check if we have new or old format and report if format has changed Format type can change by editing encoding, deleting a non-utf-8 station etc. """

        new_format = False
        for n in self.stations:
            if n[2] != '':
                new_format = True
                break
        if self.new_format == new_format:
            return False
        else:
            return True