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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 reset(self):
        '''
        Reset list of terms and y-variable.
        '''
        self.terms = OrderedDict()
        self.y = None
        self.backend = None
        self.added_terms = []
        self._added_priors = {}
        self.completes = []
        self.clean_data = None