实现LR+RF+XGB加权融合

def solve():
    from pyodide.http import open_url
    from io import StringIO
    loans_featured_csv = open_url(____).read()
    model_results_csv = open_url(____).read()
    import pandas as pd
    from sklearn.metrics import roc_auc_score
    from io import StringIO
    df = pd.read_csv(StringIO(____))
    for col in ['____','____','____','____']:
        print(____)
    ensemble=____*df['____']+____*df['____']+____*df['____']
    print(____)