Python：根据条件对Column进行组输出

#code source
import numpy as np
import pandas as pd
from sklearn.datasets import make_classification


X, y = make_classification(n_samples=50,
                           n_features=6,
                           n_informative=3,
                           n_classes=2,
                           random_state=10,
                           shuffle=True)

# Creating a dataFrame
df = pd.DataFrame({'Feature 1':X[:,0],
                                  'Feature 2':X[:,1],
                                  'Feature 3':X[:,2],
                                  'Feature 4':X[:,3],
                                  'Feature 5':X[:,4],
                                  'Feature 6':X[:,5],
                                  'Class':y})


values = [i for i,x in enumerate(df['Class']) if x == 0]
print(values)
#code source
import numpy as np
import pandas a