code: def conf_int(self):  # method to be consistent with sm
      return [
          (0.7203, 1.1360),
          (0.0819, 1.2165),
          (-0.3532, 0.1287),
          (-60.6305, -23.9555),
      ]
  
imports: import numpy
label_desc: Use image node_id 2 for calling the Andrews obj's underlying member method code with example usage: obj.conf_int() and returns: list