save project

diy.py

@@ -2,10 +2,13 @@ with open(r'c:\Users\Lenovo\Documents\lesson13-3\sales_list.txt','r',encoding='u
     a=file.readlines()
     a=file.readlines()
     #print(a)
     #print(a)
 
 
+final_sum=[]
 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)
-    print(result)
+    result=data[0]+str(sum)+'\n'
+    final_sum.append(result)
\ No newline at end of file
+with open(r'c:\Users\Lenovo\Documents\lesson13-3\sales_list.txt','a',encoding='utf-8') as file:
+    file.writelines(final_sum)
\ No newline at end of file