save project

diy.py

 with open(r'C:\Users\CM\Documents\lesson13-1\sales_list.','r',encoding='utf-8')as file:
     a=file.readlines()
+finsl_sum=[]
 for i in a:
     #print(i)
     data=i.split()
@@ -8,7 +9,8 @@ for i in a:
     sum=0
     for sales in data[1:]:
         sum=sum+int(sales)
-    result=data[0+str(sum)]
-    print(result)
-
+    result=data[0]+str(sum)+'\n'
+    #print(result)
 
+with open(r'C:\Users\CM\Documents\lesson13-1\sales_list.','a',encoding='utf-8')as file:
+    file.writelines(finsl_sum)