save project

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13_2\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
-final_sun=[]
+final_sum=[]
 for i in a:                 #用for…in…把每一行的数据遍历
     data=i.split()         
-    sun=0
+    sum=0
     for sales in data[1:]:
-		sun=sun+int(sales)
+		sum=sum+int(sales)
     result=data[0]+str(sun)+'\n'
-    final_sun.append(result) 
+    final_sum.append(result) 
  with open(r'c:\Users\Administrator\Documents\lesson13_2\sales_list.txt','a',encoding='utf-8') as file:
      file.writelines(final_sun)