def METHOD_NAME(self, env):
    tmpl = env.from_string(
        '{{ "o" is in "foo" }}|'
        '{{ "foo" is in "foo" }}|'
        '{{ "b" is in "foo" }}|'
        "{{ 1 is in ((1, 2)) }}|"
        "{{ 3 is in ((1, 2)) }}|"
        "{{ 1 is in [1, 2] }}|"
        "{{ 3 is in [1, 2] }}|"
        '{{ "foo" is in {"foo": 1}}}|'
        '{{ "baz" is in {"bar": 1}}}'
    )
    assert tmpl.render() == "True|True|False|True|False|True|False|True|False"