实现外汇购汇额度检查年度5万美元个人限额

def solve():
    from pyodide.http import open_url
    account_types_csv = open_url(____).read()
    payment_channels_csv = open_url(____).read()
    accounts_csv = open_url(____).read()
    transfers_csv = open_url(____).read()
    exchange_rates_csv = open_url(____).read()
    swift_routes_csv = open_url(____).read()
    annual_limit = ____
    already_bought = ____
    new_amount = ____
    remaining = annual_limit - already_bought
    result = '____' if already_bought + new_amount <= annual_limit else '____'
    print(____)
    print(____)
    print(____)
    print(____)
    print(____)