TRAIN-TEST-SPLIT

from sklearn.model_selection import train_test_split

train_x,train_y, test_x,test_y = train_test_split(X, y, test_size=0.3)

---------------------------------------------------------------------------

NameError                                 Traceback (most recent call last)

<ipython-input-4-b430128d85a3> in <module>
----> 1 train_x,train_y, test_x,test_y = train_test_split(X, y, test_size=0.3)


NameError: name 'X' is not defined