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初级

对比买卖双方互评评分与5星好评率

未完成
初级参考 完整示例代码供参考，建议自己理解后重新输入 
def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    reviews=pd.read_csv(StringIO(open_url("https://data.zuihe.com/dbd/ms-campustrade/state_03/reviews.csv").read()))
    buyer_reviews=reviews[reviews['role']=='buyer']
    seller_reviews=reviews[reviews['role']=='seller']
    print(f"Buyer ratings: avg={round(buyer_reviews['rating'].mean(),2)} 5-star={len(buyer_reviews[buyer_reviews['rating']==5])}")
    print(f"Seller ratings: avg={round(seller_reviews['rating'].mean(),2)} 5-star={len(seller_reviews[seller_reviews['rating']==5])}")
    print(f"Overall 5-star rate: {round(len(reviews[reviews['rating']==5])/len(reviews)*100,1)}%")

示例

输入
solve()
期望输出
Buyer ratings: avg=4.57 5-star=19
Seller ratings: avg=4.75 5-star=22
Overall 5-star rate: 73.2%
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