!date

import pandas as pd

df = pd.DataFrame({'A': [0,0,0,0,1,1],
                   'B': [1,2,3,4,5,6],
                   'C': [8,9,10,11,12,13]})

df.describe()

df.groupby('A').describe()

df.groupby('A').describe().unstack()

df.groupby('A').describe().unstack()\
    .loc[:,(slice(None),['count','mean']),]