docs: def get(self, name, acc=None, default=None):
          """Return the named config for the given account.
  
          If an account is given, first checks the account space for the name.
          If no account given, or if the name not found in the account space,
          look for the name in the global config space.  If still not found,
          return the default, if given, otherwise ``None``.
          """
          if acc in self.data['accounts'] and name in self.data['accounts'][acc]:
              return self.data['accounts'][acc][name]
          if name in self.data:
              return self.data[name]
          return default