from enum import Enum


class OperatorEnum(str, Enum):
    CONTAINS = "contains"
    EXISTS = "exists"
    IS_IN = "is in"
    VALUE_0 = ">"
    VALUE_1 = ">="
    VALUE_2 = "="
    VALUE_3 = "!="
    VALUE_4 = "<"
    VALUE_5 = "<="

    def __str__(self) -> str:
        return str(self.value)