save project

diy.py

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