code: def test_generate_A():
      # Data from DLMF 8.20.5
      x = sympy.symbols("x")
      Astd = [
          Poly(1, x),
          Poly(1, x),
          Poly(1 - 2 * x),
          Poly(1 - 8 * x + 6 * x**2),
      ]
      Ares = generate_A(len(Astd))
  
      for p, q in zip(Astd, Ares):
          assert_equal(p, q)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_generate_A() without return types