计算重组前后客户每月还款额变化

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()
    reschedule_requests_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(____)
    loan = pd.read_sql_query(____).iloc[____]
    req = pd.read_sql_query(____).iloc[____]
    P = float(____)
    remaining = int(____) - int(____)
    r_old = float(____) / ____ / ____
    r_new = float(____) / ____ / ____
    n_new = remaining + ____
    old_emi = P * r_old * (____+r_old)**remaining / ((____+r_old)**remaining - ____)
    new_emi = P * r_new * (____+r_new)**n_new / ((____+r_new)**n_new - ____)
    reduction = old_emi - new_emi
    pct = round(____)
    print(____)
    print(____)
    print(____)
    conn.close()