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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_condition(self, condition_id):
 """Retrieve the condition for a condition_id. :param condition_id: id of the condition, str :return: """

        condition = self.contract_concise.getCondition(condition_id)
        if condition and len(condition) == 7:
            return ConditionValues(*condition)

        return None