Code fragment metadata

hasIdentifier: https://padme-analytics.de/pht/codeFragment/9a2190642a8e2f5b21cda146c640660f2b8ea760d234ca125437d46c3387f44e
hasContent: x_train, x_test, y_train, y_test = train_test_split(features, target, test_size=0.20, random_state=2)

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