Series.rename(index=None, **kwargs)

Alter axes input function or functions. Function / dict values must be unique (1-to-1). Labels not contained in a dict / Series will be left as-is.

Parameters :

index : dict-like or function, optional

Transformation to apply to that axis values

copy : boolean, default True

Also copy underlying data

inplace : boolean, default False

Whether to return a new Series. If True then value of copy is ignored.

Returns :

renamed : Series (new object)