生成并检查指令幂等Key

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, hashlib, json
    cmd_csv = open_url(____).read()
    cmds = pd.read_csv(StringIO(____))
    def idempotency_key(____):
        body = json.dumps(____)
        return hashlib.sha256(f'____'.encode()).hexdigest()[:____]
    seen_keys = set()
    print(____)
    for _, row in cmds.iterrows():
        key = idempotency_key(row['____'], row['____'], row['____'], int(____))
        dup = key in seen_keys
        seen_keys.add(____)
        print(____)