class_docstr: Works like a dictionary that automatically assign values for new keys.
code: def get_ids(self) -> List[int]:
      return list(self.id2name.keys())
  
file_path: icevision/icevision/core/id_map.py
imports: from icevision.imports import *
label_desc: Use image node_id 5 for calling the IDMap obj's underlying member method code with example usage: obj.get_ids() and returns: list