368 df_tst['fee_total'] =df_tst.fee.cumsum()
369 ###变量名
--> 370 excel_name = '\'+str(i[:-4])+'.xls'
371 df_tst.to_excel('C:\\Users\\l\\Desktop\\data\\'+ str(i[:-4]) + excel_name) 372
TypeError: 'int' object is not subscriptable