class_docstr: A dictionary that applies an arbitrary key-altering function
  before accessing the keys.
class_docstr_tok: ["A","dictionary","that","applies","an","arbitrary","key-altering","function","before","accessing","the","keys","."]
code: def get(self, keys_str, default=None):
      # noinspection PyBroadException
      try:
          return self[keys_str]
      except Exception:
          return None
  
imports: from typing import Optional, Any
label_desc: Use image node_id 5 for calling the NestedBlobsDict obj's underlying member method code with example usage: obj.get(keys_str, default) and returns: self, None