def exists_code(self, code):
        
        return self.db.codes.find_one({'_id': code}) != None
Given two lists of deploy groups, return the intersection and difference between them.
dataset/ETHPy150Open joaoqalves/web2py-oauth2/modules/oauth/storage/__init__.py/MongoStorage.exists_code--crossover with--dataset/ETHPy150Open Yelp/paasta/paasta_tools/cli/cmds/rollback.py/validate_given_deploy_groups