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@ -99,9 +99,12 @@ use std::io;
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We’ll need to take user input, and then print the result as output. As such, we
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need the `io` library from the standard library. Rust only imports a few things
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by default into every program, [the ‘prelude’][prelude]. If it’s not in the
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prelude, you’ll have to `use` it directly.
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prelude, you’ll have to `use` it directly. There is also a second ‘prelude’, the
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[`io` prelude][ioprelude], which serves a similar function: you import it, and it
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imports a number of useful, `io`-related things.
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[prelude]: ../std/prelude/index.html
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[ioprelude]: ../std/io/prelude/index.html
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```rust,ignore
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fn main() {
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