相关系数与R²验证

def solve():
    import pandas as pd
    import matplotlib.pyplot as plt
    from scipy.stats import pearsonr
    from sklearn.linear_model import LinearRegression
    url = '____'
    df = pd.read_csv(____)
    r, _ = pearsonr(____)
    R2 = LinearRegression().fit(____).score(____)
    print(____)
    print(____)
    plt.scatter(____)
    plt.xlabel(____); plt.ylabel(____); plt.title(____)
    plt.tight_layout(); plt.show()