初级
统计各订单状态的数量和金额
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
users_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A01/users.csv").read()
categories_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A01/categories.csv").read()
products_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A01/products.csv").read()
orders_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A01/orders.csv").read()
order_items_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A01/order_items.csv").read()
import sqlite3
import pandas as pd
from io import StringIO
conn = sqlite3.connect(':memory:')
pd.read_csv(StringIO(orders_csv)).to_sql('orders', conn, index=False, if_exists='replace')
result = pd.read_sql_query("""
SELECT status,
COUNT(*) AS order_count,
SUM(total_amount) AS total_amount
FROM orders
GROUP BY status
ORDER BY order_count DESC
""", conn)
print(result.to_string(index=False))
conn.close()
示例
输入
solve()
期望输出
status order_count total_amount
pending 2 4298.0
paid 2 26997.0
delivered 2 8098.0
shipped 1 5798.0
cancelled 1 4299.0
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