转载：https://www.cnblogs.com/zmc940317/p/13606748.html

代码：

import pandas as pd
df = pd.read_excel(r'./1.xlsx',sheet_name = 'Sheet2')
classInformation = df['ID'].unique()

for temp in classInformation:
    temp_data = df[df['ID'].isin([temp])]
    # print(temp_data)