save project

diy.py

 with open(r"c:\Users\23636\Documents\lesson13_2\sales_list.txt",'r',encoding='utf-8') as feli:
 with open(r"c:\Users\23636\Documents\lesson13_2\sales_list.txt",'r',encoding='utf-8') as feli:
     a=feli.readlines()#读取数据，放到变量a里
     a=feli.readlines()#读取数据，放到变量a里
     #print(a)
     #print(a)
-rew_sum[]
+    rew_sum[]
 for i in a:
 for i in a:
     data=i.split()#用for...in...把每一行的数据遍历
     data=i.split()#用for...in...把每一行的数据遍历
     sum=0#把字符串
     sum=0#把字符串