save project

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file_1:
 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file_1:
-    a = file_1.readlines()
+    a=file_1.readlines()
 for i in a:
 for i in a:
     data=i.split()    
     data=i.split()    
     sum=0
     sum=0
+    
     for sales in data[1:]:
     for sales in data[1:]:
         sum=sum+int(sales)
         sum=sum+int(sales)
     result=data[0]+str(sum)
     result=data[0]+str(sum)