Initial data commit

Task/Loops-Nested/Wren/loops-nested.wren

@@ -0,0 +1,23 @@
+import "random" for Random
+import "/fmt" for Fmt
+
+var rand = Random.new()
+
+var a = List.filled(20, null)
+for (i in 0..19) {
+    a[i] = List.filled(20, 0)
+    for (j in 0..19) a[i][j] = rand.int(1, 21)
+}
+
+var found = false
+for (i in 0..19) {
+    for (j in 0..19) {
+        System.write(Fmt.d(4, a[i][j]))
+        if (a[i][j] == 20) {
+            found = true
+            break
+        }
+    }
+    System.print()
+    if (found) break
+}