code: def test_parse_graph(self) -> None:
      input = """
             agraph (float[N, 128] X, float[128,10] W, float[10] B) => (float[N] C)
             {
                T = MatMul(X, W)
                S = Add(T, B)
                C = Softmax(S)
             }
             """
      graph = onnx.parser.parse_graph(input)
      self.check_graph(graph)
  
file_path: onnx/onnx/test/parser_test.py
imports: import unittest
  from parameterized import parameterized
  import onnx
  from onnx import GraphProto, OperatorSetIdProto, checker
label_desc: Use image node_id 2 for calling the TestBasicFunctions obj's underlying member method code with example usage: obj.test_parse_graph() without return types