Examples
import numpy as np
import pandas as pd
s = pd.Series(data=np.arange(3), index=['P', 'Q', 'R'])
s
Drop labels Q en R
s.drop(labels=['Q', 'R'])
Drop 2nd level label in MultiIndex Series
midx = pd.MultiIndex(levels=[['dog', 'cow', 'cat'],
['speed', 'weight', 'length']],
codes=[[0, 0, 0, 1, 1, 1, 2, 2, 2],
[0, 1, 2, 0, 1, 2, 0, 1, 2]])
s = pd.Series([50, 30, 1.6, 30, 250, 1.5, 40, 18, 1.1],
index=midx)
s
s.drop(labels='weight', level=1)