code: def get(self, k, d=None):
      if dict.__contains__(self, k):
          return dict.__getitem__(self, k)
      else:
          return self.fallback.get(k, d)
  
imports: import copy
  import sacred.optional
  from sacred.utils import join_paths, SacredError
label_desc: Use image node_id 8 for calling the DogmaticDict obj's underlying member method code with example usage: obj.get(k, d) and returns: dict, self