code: def to_series(self, index=None, name=None):
          
  
          from pandas import Series
  
          if index is None:
              index = self._shallow_copy()
          if name is None:
              name = self.name
  
          return Series(self.values.copy(), index=index, name=name)
docs: Create a Series with both index and values equal to the index keys
          useful with map for returning an indexer based on an index.
  
          Parameters
          ----------
          index : Index, optional
              index of resulting Series. If None, defaults to original index
          name : string, optional
              name of resulting Series. If None, defaults to name of original
              index
  
          Returns
          -------
          Series : dtype will be based on the type of the Index values.