def runModel(model, X_train, Y_train, X_test):
    """
    performs fitting of [model] using [X_train] and [Y_train]
    returns accuracy on training set, and predictions on [X_test]
    """
    model.fit(X_train, Y_train)
    Y_pred = model.predict(X_test)
    accuracy = round(model.score(X_train, Y_train) * 100, 2)
    return accuracy, Y_pred