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| #![allow(unused)] fn main() { let mut x = 5; println!("The value of x is {}", x); x = 6; println!("The value of x is {}", x);
const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3;
let x = 5; let x = x + 1; { let x = x * 2; println!("The value of x in the inner scope is: {}", x); } println!("The value of x is: {}", x);
let spaces = " "; let spaces = spaces.len(); }
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