183. 从不订购的客户

为保证权益，题目请参考 183. 从不订购的客户(From LeetCode).

解决方案1

Python

import pandas as pd


def find_customers(customers: pd.DataFrame, orders: pd.DataFrame) -> pd.DataFrame:
    return customers[(~customers["id"].isin(orders["customerId"]))][["name"]].rename(
        columns={"name": "Customers"}
    )