save project

diy.py

@@ -3,12 +3,11 @@ with open( r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',enc
    final_sum=[]
 for i in a:
     data=i.split()
-    print(data[1:])
+    
     sum=0
     for sales in data[1]:
        sum=sum+int(sales)
-result=data[0]+str(sum)+'/n'
+result=data[0]+str(sum)+'\n'
 final_sum.append(result)
-with open( r'c:\Users\Administrator\Documents\lesson13-1\new_sales.list.txt','r',encoding='utf-8')as file:
+with open( r'c:\Users\Administrator\Documents\lesson13-1\new_sales.list.txt','a',encoding='utf-8')as file:
    file.writelines(final_sum)
-print(result)
\ No newline at end of file