code: def __str__(self):
      return "S={}, D={}".format(str(self.static), str(self.dynamic))
  
file_path: tensorpack/tensorpack/models/shape_utils.py
imports: import tensorflow
label_desc: Use image node_id 3 for calling the StaticDynamicAxis obj's underlying member method code with example usage: obj.__str__() and returns: str