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1. 2. value.something
value[something]
3. finally works!
4. y
5. y
6. y
7. y.extra
8. arg
9. {
"1":"1",
"5":"5",
"1.b":"1",
"2 2":"2 2",
"4":4
}
10. 4.extra
11. arg
12. 4
13. 4
14. (2+2)[1]