save project

diy.py

-with open(r'C:\Users\2020\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:
+with open(r'C:\Users\2020\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a = file.readlines()
 
 final_sum=[]
@@ -8,4 +8,7 @@ for i in a:
     for sales in data [1:]:
         sum=sum+int(sales)
     result = data[0]+str(sum)+'\n'
-    final_sum.sppend(result)
\ No newline at end of file
+    final_sum.append(result)
+
+with open(r'C:\Users\CM\Documents\lesson13-1\new_sales_list.txt','a',encoding='utf-8') as file:
+    file.writelines(final_sum)
\ No newline at end of file