解析树莓派带子传感器的上报

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, json
    devs_csv = open_url(____).read()
    devs = pd.read_csv(StringIO(____))
    def parse_nested(____):
        p = json.loads(____)
        rows = []
        for r in p.get(____):
            row = {'____':p['____'],'____':p['____'],'____':r['____'],'____':r['____'],'____':r.get(____)}
            if '____' in r:
                row['____'] = r['____']
            rows.append(____)
        return rows
    payload = '____'
    rows = parse_nested(____)
    print("____" + str(len(____)) + "____")
    for row in rows:
        sub = "____" + row.get(____) + "____"
        print("____" + row['____'] + "____" + str(____) + sub)