DBSCAN聚类

def solve():
    from sklearn.datasets import make_moons
    from sklearn.cluster import DBSCAN
    import matplotlib.pyplot as plt
    X, y = make_moons(____)
    dbscan = DBSCAN(____)
    labels = dbscan.fit_predict(____)
    n_clusters = len(set(____)) - (____ if -____ in labels else ____)
    n_noise = list(____).count(____)
    print(____)
    print(____)
    plt.figure(figsize=(____, ____))
    plt.scatter(____)
    plt.xlabel(____)
    plt.ylabel(____)
    plt.title(____)
    plt.grid(____)
    plt.show()