code: def test_expressions(self):
      for expr in (
          "(x,)",
          "(x, y)",
          "x := y",
          "(x := y)",
          "x @y",
          "(x @ y)",
          "x[0]",
          "w[x].y.z",
          "w + x - (y + z)",
          "x(y)()(z)",
          "[w, x, y][z]",
          "x.y",
      ):
          compile(f"@{expr}\ndef f(): pass", "test", "exec")
  
imports: import unittest
  from types import MethodType
label_desc: Use image node_id 10 for calling the TestDecorators obj's underlying member method code with example usage: obj.test_expressions() without return types