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-rw-r--r--Lib/test/test_named_expressions.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_named_expressions.py b/Lib/test/test_named_expressions.py
index e15111cf38..f73e6fee70 100644
--- a/Lib/test/test_named_expressions.py
+++ b/Lib/test/test_named_expressions.py
@@ -212,6 +212,11 @@ class NamedExpressionAssignmentTest(unittest.TestCase):
self.assertEqual(a, False)
+ def test_named_expression_assignment_16(self):
+ a, b = 1, 2
+ fib = {(c := a): (a := b) + (b := a + c) - b for __ in range(6)}
+ self.assertEqual(fib, {1: 2, 2: 3, 3: 5, 5: 8, 8: 13, 13: 21})
+
class NamedExpressionScopeTest(unittest.TestCase):