def head(self):
return self.iloc[:<NUM_LIT:5>]<EOL>
Return the first 5 elements of the Series.

This function is mainly useful to preview the values of the
Series without displaying the whole of it.

Returns
-------
Series
    Subset of the original series with the 5 first values.

See Also
--------
Series.tail : Return the last 5 elements of the Series.
Series.iloc : Return a slice of the elements in the Series,
    which can also be used to return the first or last n.