code: def test_del_item_multiple_mixed_used_after(self):
      def f(a, b, c):
          del a, b, c[0]
          a = 1
          return a, b, c
  
      tr = self.transform(f, variables)
  
      with self.assertRaisesRegex(
          NameError, "'b' is used before assignment"
      ):
          tr(1, 2, [1, 2])
  
file_path: tensorflow-upstream/tensorflow/python/autograph/converters/variables_test.py
imports: from tensorflow.python.autograph.converters import variables
  from tensorflow.python.autograph.core import converter_testing
  from tensorflow.python.platform import test
label_desc: Use image node_id 10 for calling the VariablesTest obj's underlying member method code with example usage: obj.test_del_item_multiple_mixed_used_after() and returns: a,  b,  c