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"""import catboost
cboost = catboost.CatBoostRegressor(loss_function='RMSE', verbose=False)
cboost.fit(X_train, Y_train)
print("train score", cboost.score(X_train, Y_train))
print("test score", cboost.score(X_test, Y_test))
#print("crossVal score", cross_val_score(cboost, X, Y, cv=3).mean())"""