auto save

diy.py

+file=open(r'C:\Users\Administrator\Desktop\sales_list.txt','r'encoding=utf-8)
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r'encoding=utf-8) as file:
+    a=file.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)
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r'encoding=utf-8) as f
+    file.writelines(final_sum)
\ No newline at end of file