code: def load_data():
      '''Load dataset, use 20newsgroups dataset'''
      digits = load_digits()
      X_train, X_test, y_train, y_test = train_test_split(digits.data, digits.target, random_state=99, test_size=0.25)
  
      ss = StandardScaler()
      X_train = ss.fit_transform(X_train)
      X_test = ss.transform(X_test)
  
      return X_train, X_test, y_train, y_tesf load_data():
      '''Load dataset, use 20newsgroups dataset'''
      digits = load_digits()
      X_train, X_test, y_train, y_test = train_test_split(digits.data, digits.target, random_state=99, test_size=0.25)
  
      ss = StandardScaler()
      X_train = ss.fit_transform(X_train)
      X_test = ss.transform(X_test)
  
      return X_train, X_test, y_train, y_test
docs: Load dataset, use 20newsgroups dataset