Examples
import numpy as np import pandas as pd
s = pd.Series([[2, 3, 4], 'ff', [], [5, 6]]) s
0 [2, 3, 4] 1 ff 2 [] 3 [5, 6] dtype: object
s.explode()
0 2 0 3 0 4 1 ff 2 NaN 3 5 3 6 dtype: object