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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 is_diff(self):
 """Return True if there are any differences logged"""

        if not isinstance(self.details, dict):
            return False

        for key in ['additions', 'updates', 'deletions']:
            if self.details.get(key, None):
                return True

        return False