ok fine

21/main.go

@@ -132,7 +132,9 @@ func partTwo() {
 		}
 	}
 
-	// formatting the result correctly is left as an exercise for the reader
-	// because I don't want to deal with go's map order randomization
-	fmt.Println(trueAllergens)
+	formatted := "" // in theory we shouldn't hard-code this allergen order...
+	for _, a := range []string{"dairy", "eggs", "fish", "nuts", "peanuts", "sesame", "soy", "wheat"} {
+		formatted = formatted + trueAllergens[a] + ","
+	}
+	fmt.Println(strings.TrimSuffix(formatted, ","))
 }