code: def get(self, label, default=None):
          
          if label in self.index:
              loc = self.index.get_loc(label)
              return self._get_val_at(loc)
          else:
              return default
docs: Returns value occupying requested label, default to specified
          missing value if not present. Analogous to dict.get
  
          Parameters
          ----------
          label : object
              Label value looking for
          default : object, optional
              Value to return if label not in index
  
          Returns
          -------
          y : scalar