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fn main() {
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let a_binding;
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{
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let x = 2;
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a_binding = x * x;
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}
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println!("a binding: {}", a_binding);
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let another_binding;
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//println!("another binding: {}", another_binding);
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another_binding = 1;
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println!("another binding: {}", another_binding);
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}
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