绘制学习曲线

def solve():
    from sklearn.datasets import load_iris
    from sklearn.metrics import confusion_matrix
    from sklearn.ensemble import RandomForestClassifier
    import numpy as np
    iris = load_iris()
    X = iris.data
    y = iris.target
    model = RandomForestClassifier(____).fit(____)
    cm = confusion_matrix(y, model.predict(____))
    print(np.diag(____).sum())