Add nim challenge

online_judges/nim/test_can_win_nim.py

@@ -0,0 +1,24 @@
+from nose.tools import assert_equal, assert_raises
+
+
+class TestSolution(object):
+
+    def test_can_win_nim(self):
+        solution = Solution()
+        assert_raises(TypeError, solution.can_win_nim, None)
+        assert_equal(solution.can_win_nim(1), True)
+        assert_equal(solution.can_win_nim(2), True)
+        assert_equal(solution.can_win_nim(3), True)
+        assert_equal(solution.can_win_nim(4), False)
+        assert_equal(solution.can_win_nim(7), True)
+        assert_equal(solution.can_win_nim(40), False)
+        print('Success: test_can_win_nim')
+
+
+def main():
+    test = TestSolution()
+    test.test_can_win_nim()
+
+
+if __name__ == '__main__':
+    main()