Python Pandas:如何使用返回pd.Series的函数对聚合进行分组

import pandas as pd

data = {'Name': ['Tom', 'Nick', 'John', 'Tom', 'John'],
        'Age': [28, 32, 25, 28, 25],
        'City': ['London', 'New York', 'Paris', 'London', 'Paris'],
        'Salary': [5000, 7000, 4500, 5000, 4500]}
df = pd.DataFrame(data)

def calculate_bonus(s):
    total_salary = s.sum()
    bonus_percentage = 0.1
    bonus = total_salary * bonus_percentage
    return pd.Series([total_salary, bonus], index=['Total Salary', 'Bonus'])

grouped = df.groupby('Name').apply(calculate_bonus)