def list_should_not_contain_value(self, list_, value, msg=None):
        default = "%s contains value '%s'" % (seq2str2(list_), value)
        _verify_condition(value not in list_, default, msg)
deep copy
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/Collections.py/_List.list_should_not_contain_value--crossover with--dataset/ETHPy150Open uwescience/raco/raco/algebra.py/NaryOperator.copy