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// variables3.rs
// Make me compile! Scroll down for hints :)
// I AM NOT DONE
fn main() {
let x = 3;
println!("Number {}", x);
x = 5;
println!("Number {}", x);
}
// In Rust, variable bindings are immutable by default. But here we're trying
// to reassign a different value to x! There's a keyword we can use to make
// a variable binding mutable instead.
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