code: def test_is_palindromic():
      assert is_palindromic(-11)
      assert is_palindromic(11)
      assert is_palindromic(0o121, 8)
      assert not is_palindromic(123)
  
imports: from sympy.ntheory import count_digits, digits, is_palindromic
  from sympy.core.intfunc import num_digits
  from sympy.testing.pytest import raises
label_desc: Use image node_id 4 for calling a global function with example usage: test_is_palindromic() without return types