交叉验证策略

def solve():
    from sklearn.datasets import load_iris
    from sklearn.model_selection import cross_val_score, KFold, StratifiedKFold
    from sklearn.ensemble import RandomForestClassifier
    import numpy as np
    iris = load_iris()
    X = iris.data
    y = iris.target
    model = RandomForestClassifier(____)
    kf_scores = cross_val_score(model, X, y, cv=KFold(____, shuffle=True, random_state=____))
    skf_scores = cross_val_score(model, X, y, cv=StratifiedKFold(____, shuffle=True, random_state=____))
    print(____)