如何使用Pandas在python中使用if语句创建一个表？

pip install pandas

import pandas as pd

df = pd.DataFrame()

data = {'Name': ['Alice', 'Bob', 'Charlie', 'David'],
        'Age': [25, 30, 35, 40],
        'City': ['New York', 'London', 'Paris', 'Tokyo']}

df = pd.DataFrame(data)

new_df = df[df['Age'] > 30]

import pandas as pd

df = pd.DataFrame()

data = {'Name': ['Alice', 'Bob', 'Charlie', 'David'],
        'Age': [25, 30, 35, 40],
        'City': ['New York', 'London', 'Paris', 'Tokyo']}

df = pd.DataFrame(data)

new_df = df[df['Age'] > 30]

print(new_df)