update: 📝 Process a Guess

src/main.rs

@@ -1,3 +1,15 @@
+use std::io;
+
 fn main() {
-    println!("Hello, world!");
-}
+    println!("Guess the number!");
+
+    println!("Please input your guess.");
+
+    let mut guess = String::new();
+
+    io::stdin()
+        .read_line(&mut guess)
+        .expect("Failed to read line");
+
+    println!("You guessed: {}", guess);
+}