闻嗅复核：上下半年数据对比分析

"____""____""____"

metadata = {
    "____": "____",
    "____": "____",
    "____": "____",
    "____": "____",
    "____": ["____"],
    "____": ["____", "____", "____"],
    "____": ____
}

# 题目描述
"____""____""____"

def solve():
    import pandas as pd
    from pyodide.http import open_url
    from io import StringIO

    BASE_URL = "____"
    df = pd.read_csv(StringIO(open_url(____).read()))

    cols = ['____', '____', '____', '____', '____']
    h1 = df[df['____'] == '____'][cols].values[____]
    fy = df[df['____'] == '____'][cols].values[____]
    h2 = fy - h1

    result = pd.DataFrame([h1, h2, (____).round(____)],
                          index=['____', '____', '____'],
                          columns=cols)
    return result.to_string()

if __name__ == "____":
    print(solve())