pandas中set_index、reset_index区别1.set_index()2.reset_index()
1.set_index()作用:DataFrame可以通过set_index方法,将普通列设置为单索引/复合索引格式:DataFrame.set_index(key,drop=True,append=False,verify_intergrity=False)import pandas as pddf=pd.DataFrame({'A':['0','1','2','3'], 'B':['4','5','6','7'], 'C':