计算资产回收率回收金额除以核销金额

def solve():
    from pyodide.http import open_url
    clients_csv = open_url(____).read()
    loans_csv = open_url(____).read()
    loan_classifications_csv = open_url(____).read()
    write_offs_csv = open_url(____).read()
    recovery_records_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    write_off_total = pd.read_sql_query(____).iloc[____]['____'] or ____
    recovery_total = pd.read_sql_query(____).iloc[____]['____'] or ____
    rate = round(____) if write_off_total > ____ else ____
    print(____)
    print(____)
    print(____)
    conn.close()