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diff --git a/src/content/chapter5_advanced_features/lesson03_panic/code.gleam b/src/content/chapter5_advanced_features/lesson03_panic/code.gleam
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+++ b/src/content/chapter5_advanced_features/lesson03_panic/code.gleam
@@ -0,0 +1,15 @@
+import gleam/io
+
+pub fn main() {
+ print_score(10)
+ print_score(100_000)
+ print_score(-1)
+}
+
+pub fn print_score(score: Int) {
+ case score {
+ score if score > 1000 -> io.println("High score!")
+ score if score > 0 -> io.println("Still working on it")
+ _ -> panic as "Scores should never be negative!"
+ }
+}