[
    (
        "a",
        Alternatives {
            total_nodes: 5,
            values: [
                Constant(
                    Str(
                        Atom(
                            "",
                        ),
                    ),
                ),
                Concat(
                    3,
                    [
                        Variable(
                            (
                                "a",
                                #2,
                            ),
                        ),
                        Constant(
                            Str(
                                Atom(
                                    "x",
                                ),
                            ),
                        ),
                    ],
                ),
            ],
            logical_property: None,
        },
    ),
    (
        "b",
        Alternatives {
            total_nodes: 3,
            values: [
                Constant(
                    Num(
                        ConstantNumber(
                            0.0,
                        ),
                    ),
                ),
                Unknown {
                    original_value: None,
                    reason: "unsupported assign operation",
                    has_side_effects: true,
                },
            ],
            logical_property: None,
        },
    ),
    (
        "c",
        Alternatives {
            total_nodes: 3,
            values: [
                Constant(
                    Num(
                        ConstantNumber(
                            0.0,
                        ),
                    ),
                ),
                Unknown {
                    original_value: None,
                    reason: "updated with update expression",
                    has_side_effects: true,
                },
            ],
            logical_property: None,
        },
    ),
    (
        "d",
        Alternatives {
            total_nodes: 3,
            values: [
                Constant(
                    Num(
                        ConstantNumber(
                            0.0,
                        ),
                    ),
                ),
                Constant(
                    Num(
                        ConstantNumber(
                            1.0,
                        ),
                    ),
                ),
            ],
            logical_property: None,
        },
    ),
    (
        "e",
        Alternatives {
            total_nodes: 3,
            values: [
                Constant(
                    Num(
                        ConstantNumber(
                            1.0,
                        ),
                    ),
                ),
                Constant(
                    Num(
                        ConstantNumber(
                            2.0,
                        ),
                    ),
                ),
            ],
            logical_property: None,
        },
    ),
    (
        "f",
        Alternatives {
            total_nodes: 3,
            values: [
                Constant(
                    Num(
                        ConstantNumber(
                            1.0,
                        ),
                    ),
                ),
                Constant(
                    Num(
                        ConstantNumber(
                            2.0,
                        ),
                    ),
                ),
            ],
            logical_property: None,
        },
    ),
]