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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 dump_stats(self, filename):
 """ Similar to profile.Profile.dump_stats - but different output format ! """

        if _isCallgrindName(filename):
            with open(filename, 'w') as out:
                self.callgrind(out)
        else:
            with io.open(filename, 'w', errors='replace') as out:
                self.annotate(out)