python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_future3.py

@@ -0,0 +1,26 @@
+from __future__ import nested_scopes
+from __future__ import division
+
+import unittest
+
+x = 2
+def nester():
+    x = 3
+    def inner():
+        return x
+    return inner()
+
+
+class TestFuture(unittest.TestCase):
+
+    def test_floor_div_operator(self):
+        self.assertEqual(7 // 2, 3)
+
+    def test_true_div_as_default(self):
+        self.assertAlmostEqual(7 / 2, 3.5)
+
+    def test_nested_scopes(self):
+        self.assertEqual(nester(), 3)
+
+if __name__ == "__main__":
+    unittest.main()