save project

diy.py

@@ -7,5 +7,7 @@ for i in a:
     sum=0
     for sales in date[1:]
         sum=sum+int(sales)
-    result = data[0]+str(sum)
-    print(result)
\ No newline at end of file
+    result = data[0]+str(sum)+'\n'
+    final_sum.append(result)
+with open(r'C:\Users\Lenovo\Desktop\sales_list.txt','a',encoding='utf-8') as file:
+    file.writelines(sales_list.txt)
\ No newline at end of file