示例#1
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 def test_true_2(self):
     self.assertTrue(valid_parentheses("hi(hi)()"))
示例#2
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 def test_false_3(self):
     self.assertFalse(valid_parentheses("hi())("))
示例#3
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 def test_true_1(self):
     self.assertTrue(valid_parentheses(""))
示例#4
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 def test_false_2(self):
     self.assertFalse(valid_parentheses(")test"))