解析挖空型卡片并提取答案

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, re
    cards=pd.read_csv(StringIO(open_url(____).read()))
    cloze=cards[cards['____']=='____']
    def count_blanks(____):
        return len(re.findall(r'____', str(____)))
    cloze=cloze.copy()
    cloze['____']=cloze['____'].apply(____)
    print(____)
    print(____)
    print(____)
    print(____)
    for _,r in cloze.head(____).iterrows():
        print(____)
        print(____)