save project

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13_2\sales_list.txt','r',encoding='utf-8')as file:
 with open(r'c:\Users\Administrator\Documents\lesson13_2\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlines()
     a=file.readlines()
+final_sum=[]    
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     #print(data[0])
     #print(data[0])
@@ -7,5 +8,7 @@ for i in a:
     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)    
-    print(sum)
+    result=data[0]+str(sum)+'\n' 
+    final_sum.append(result)  
+with open(r'C:\Users\Administrator\Desktop\2.txt','w',encoding='utf-8')as file:
+    file.writelines(final_sum)