import pandas as pd
def demo4():data1=pd.Series([1,2,3,4,66])data2=pd.Seriws([1,22,3,4,5,6])#获取两个Series对象的index对象,然后求交集与并集,并输出要求测试输入:无测试输入预期输入:1,交集:Int64Index([1,3,4],dtype="int64")2,并集:Int64Index([1,2,3,4,5,6,22,66],dtype="int64")