class_docstr: A Munch that returns a user-specified value for missing keys.
docstr: Gets key if it exists, otherwise returns the default value.
docstr_tok: ["Gets","key","if","it","exists",",","otherwise","returns","the","default","value","."]
code: def __getitem__(self, k):
      """Gets key if it exists, otherwise returns the default value."""
      try:
          return super(DefaultMunch, self).__getitem__(k)
      except KeyError:
          return self.__default__
  
imports: from collections.abc import Mapping
label_desc: Use image node_id 4 for calling the DefaultMunch obj's underlying member method code with example usage: obj.__getitem__(k) and returns: super, self