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+// option1.rs
+// This example panics because the second time it calls `pop`, the `vec`
+// is empty, so `pop` returns `None`, and `unwrap` panics if it's called
+// on `None`. Handle this in a more graceful way than calling `unwrap`!
+// Scroll down for hints :)
+
+fn main() {
+    let mut list = vec![3];
+
+    let last = list.pop().unwrap();
+    println!("The last item in the list is {:?}", last);
+
+    let second_to_last = list.pop().unwrap();
+    println!("The second-to-last item in the list is {:?}", second_to_last);
+}
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+// Try using a `match` statement where the arms are `Some(thing)` and `None`.
+// Or set a default value to print out if you get `None` by using the
+// function `unwrap_or`.
+// Or use an `if let` statement on the result of `pop()` to both destructure
+// a `Some` value and only print out something if we have a value!