← 返回题库
初级

统计各缴费类型的月度交易量

未完成
初级参考 完整示例代码供参考，建议自己理解后重新输入 
def solve():
    from pyodide.http import open_url
    account_types_csv = open_url("https://data.zuihe.com/dbd/payment/state_06/account_types.csv").read()
    payment_channels_csv = open_url("https://data.zuihe.com/dbd/payment/state_06/payment_channels.csv").read()
    accounts_csv = open_url("https://data.zuihe.com/dbd/payment/state_06/accounts.csv").read()
    transfers_csv = open_url("https://data.zuihe.com/dbd/payment/state_06/transfers.csv").read()
    bills_csv = open_url("https://data.zuihe.com/dbd/payment/state_06/bills.csv").read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(':memory:')
    pd.read_csv(StringIO(bills_csv)).to_sql('bills', conn, index=False, if_exists='replace')
    result = pd.read_sql_query("SELECT bill_type, COUNT(*) as count, SUM(amount) as total_amount FROM bills GROUP BY bill_type ORDER BY total_amount DESC", conn)
    print(result.to_string(index=False))
    conn.close()

示例

输入
solve()
期望输出
bill_type  count  total_amount
CREDIT_CARD      1       12500.0
   PROPERTY      1        2800.0
ELECTRICITY      3        1150.0
      WATER      2         245.5
        GAS      2         215.0
      PHONE      1         199.0
Python 代码 🔒 登录后使用
🔒

登录后即可练习

注册免费账号，在浏览器中直接运行 Python 代码

登录 免费注册