← 返回题库
初级

加载订餐记录并统计

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
    from io import StringIO
    import pandas as pd
    orders=pd.read_csv(StringIO(open_url("https://data.zuihe.com/dbd/ms-mealhub/state_02/meal_orders.csv").read()))
    print(f"Total orders: {len(orders)}")
    print(f"By status: {dict(orders.groupby('status').size())}")
    print(f"By meal type: {dict(orders.groupby('meal_type').size())}")
    print(f"By order type: {dict(orders.groupby('order_type').size())}")
    active=orders[orders['status']=='active']
    print(f"Active orders total price: {round(active['price'].sum(),2)}")

示例

输入
solve()
期望输出
Total orders: 2387
By status: {'active': np.int64(2211), 'cancelled': np.int64(176)}
By meal type: {'breakfast': np.int64(656), 'dinner': np.int64(632), 'lunch': np.int64(1099)}
By order type: {'auto': np.int64(1099), 'manual': np.int64(1288)}
Active orders total price: 22569.0
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