from sklearn import preprocessinglabels = ['我','你','他','我']print('分类标签的数字化:')label_encoder = preprocessing.LabelEncoder()int_labels = label_encoder.fit_transform(labels)#打印将所有标签数字化后的后果print(int_labels)print('分类标签的向量化:')from keras.utils import np_utilslabel_vecs = np_utils.to_categorical(int_labels)print(label_vecs)