生成逾期贷款月度报告金额笔数逾期率

def solve():
    from pyodide.http import open_url
    clients_csv = open_url(____).read()
    loans_csv = open_url(____).read()
    loan_repayment_schedule_csv = open_url(____).read()
    loan_charges_csv = open_url(____).read()
    import sqlite3, pandas as pd, json
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    total_bal = pd.read_sql_query(____).iloc[____]['____'] or ____
    overdue_bal = pd.read_sql_query(____).iloc[____]['____'] or ____
    overdue_cnt = pd.read_sql_query(____).iloc[____]['____']
    overdue_rate = round(____) if total_bal > ____ else ____
    report = {"____": float(____), "____": float(____), "____": int(____), "____": overdue_rate}
    print(json.dumps(____))
    conn.close()