问有定制范围的群游熊猫？

EN

import numpy as np

labels = ['<=2', '3-9', '>=10']
bins = [0,2,9, np.inf]

df.groupby(pd.cut(df['Value'], bins, labels=labels)).size().to_frame('ID')

# Output

         ID
Value   
 <= 2     5
  3-9     3
 >=10     2

labels = ['<=2', '3-9', '>=10']
bins = [0,2,9, np.inf]
pd.cut(df['Value'],bins=bins,labels=labels).value_counts().reset_index()
#out[]
index   Value
<=2     5
3-9     3
>=10    2