new challenge: empty-tuple (intermediate) (#94)

laike9m · Jan 19, 2024 · dba821e · dba821e
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diff --git a/challenges/intermediate-empty-tuple/hints.md b/challenges/intermediate-empty-tuple/hints.md
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+Check out [annotating-tuples](https://docs.python.org/zh-cn/3/library/typing.html#annotating-tuples)
diff --git a/challenges/intermediate-empty-tuple/question.py b/challenges/intermediate-empty-tuple/question.py
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+"""
+TODO:
+
+foo should accept a empty tuple argument.
+"""
+
+
+def foo(x):
+    pass
+
+
+## End of your code ##
+foo(())
+foo((1))  # expect-type-error
diff --git a/challenges/intermediate-empty-tuple/solution.py b/challenges/intermediate-empty-tuple/solution.py
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+"""
+TODO:
+
+foo should accept a empty tuple argument.
+"""
+
+
+def foo(x: tuple[()]):
+    pass
+
+
+## End of your code ##
+foo(())
+foo((1))  # expect-type-error
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		Check out [annotating-tuples](https://docs.python.org/zh-cn/3/library/typing.html#annotating-tuples)