import numpy as np
import os
from sklearn.model_selection import train_test_split

X,y=np.arange(10).reshape((5, 2)), range(5)
print (X,y)
print("\n")
X_train, X_test, y_train, y_test = train_test_split( X, y, test_size=0.33, random_state=42)
print(X_train,X_test)
print(y_train,y_test)

