save project

diy.py

 with open(r'sales_list.txt',"r",encoding = "utf-8") as a:
     b = a.readlines()
-final = []
 for i in b:
     data = i.split()
     #print(data[1:])
@@ -8,4 +7,7 @@ for i in b:
     for x in data[1:]:
         sum = sum + int(x)
     r = data[0] + str(sum)
+    final.append(r)
     print(sum)
+with open(r'new sales_list.txt',"r",encoding = "utf-8") as a:
+    a.writelines(final)
\ No newline at end of file