auto save

diy3.py

-message = "诺依，周末一起去看动漫展吧！"
-
-# 请使用索引的知识，取出message所有元素（不用遍历的方式）
+with open(r'c:\Users\王丹梅\Desktop\python.txt','r',encoding='utf-8') as python:
+    a=python.readlines()
+    sum=0
\ No newline at end of file
+    for i in a:
+        data=i.split()
+        for sales in data[1:]: 
+            sum=sum+sales
+    print(sum)
+print(a)
\ No newline at end of file