分箱可视化

def solve():
    import pandas as pd
    import matplotlib.pyplot as plt
    import numpy as np
    from sklearn.preprocessing import KBinsDiscretizer
    df = pd.read_csv(____)
    age = df[["____"]]
    kb = KBinsDiscretizer(____).fit(____)
    age_bin = kb.transform(____)
    fig, axes = plt.subplots(____, ____, figsize=(____, ____))
    axes[____].hist(____); axes[____].set_title(____)
    axes[____].hist(____); axes[____].set_title(____)
    plt.tight_layout(); plt.show()
    print(____)