Initial data commit

Task/Loops-Nested/NetRexx/loops-nested.netrexx

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+/* NetRexx */
+options replace format comments java crossref savelog symbols nobinary
+
+  say
+  say 'Loops/Nested'
+
+  rnd = Random()
+  dim2 = int[10, 10]
+
+  -- build sample data
+  loop i1 = 0 for dim2.length
+    loop i2 = 0 for dim2[i1].length
+      dim2[i1, i2] = rnd.nextInt(20) + 1
+      end i2
+    end i1
+
+  -- run test
+  loop x1 = 0 for dim2.length
+    say Rexx(x1 + 1).right(4)': \-'
+    loop x2 = 0 for dim2[x1].length
+      say Rexx(dim2[x1, x2]).right(3) || '\-'
+      if dim2[x1, x2] = 20 then leave x1
+      finally
+        say
+      end x2
+    finally
+      say
+    end x1