auto save

diy.py

+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8') as file1:
+    a=file1.readlines() 
+    #print(a)
+for i in a:
+    data=i.split()
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result=data[0]+str(sum)
+    print(result)     
+    final_sum.append(result)
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','w',encoding='utf-8') as file:
+     file.writelines(final_sum)
\ No newline at end of file