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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 get_mode(self):
 """Gets the mode of the score. If this system is based on grades, the mode of the output score is returned. return: (decimal) - the median score *compliance: mandatory -- This method must be implemented.* """

        # http://stackoverflow.com/questions/10797819/finding-the-mode-of-a-list-in-python
        return max(set(self._entry_scores), key=self._entry_scores.count)