实现CPD计费模型计算

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    bc_csv = open_url(____).read()
    bld_csv = open_url(____).read()
    configs = pd.read_csv(StringIO(____))
    buildings = pd.read_csv(StringIO(____))
    cpd = configs[configs['____']=='____']
    def calc_cpd(____):
        blds = buildings[(____)&(____)&(____)]
        cfg = cpd[cpd['____']==cfg_id]
        if cfg.empty: return None
        price = float(____)
        return {'____':region,'____':btype,'____':len(____),'____':days,'____':price,'____':round(price*len(____)*days,____)}
    print(____)
    for region, btype, days, cfg_id in [(____),(____)]:
        r = calc_cpd(____)
        if r: print("____"+r['____']+"____"+r['____']+"____"+str(____)+"____"+str(____)+"____"+str(____)+"____")