Add multilingual language and systems learning tracks

en/vlang-practice-20261101/lesson-2/main.v

@@ -0,0 +1,11 @@
+fn checked_score(value int) !int {
+    if value < 0 || value > 100 { return error('Invalid score') }
+    return value
+}
+fn main() {
+    result := checked_score(101) or {
+        println('Practice')
+        return
+    }
+    println(result)
+}