auto save

diy.py

+with open(r'c:\Users\chenming\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as w:
+    list=[]
+    q=w.readlines()
+#    print(q)
+    for i in q:
+        a=i.split()
+        e=0
+        for r in a[1:]:
+            e+=int(r)
+        name=q[0]+' '+str(e)+'\n'
+        print(name)
+        list.append(name)
+with open(r'c:\Users\chenming\Documents\lesson13-1\sales_list.txt1','a',encoding='utf-8')as m:
+    m.write(e)
\ No newline at end of file