auto save

diy.py

+#'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf_8') as file:
+    a = file.readlines()
+    for i in a:
+        data = i.split()
+        a = 0
+        for sales in data[1:]:
+            a += int(sales)
+        b = data[0]+str(a)
+        print(b)
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