PCA-解释方差比

def solve():
    import pandas as pd
    import numpy as np
    from sklearn.decomposition import PCA
    df = pd.read_csv(____)
    X = df.drop(____)
    pca = PCA()
    pca.fit(____)
    cumsum = np.cumsum(____)
    for i, (____) in enumerate(zip(____)):
        print(____)