auto save

diy.py

@@ -10,6 +10,10 @@ with open(r"C:\Users\admin\Desktop\book.txt",'r',encoding='utf-8') as file1:
         if "小兰：12本" in data:
             data=data.replace("小兰：12本","小兰：13本")
         new_data+=data
-    print(new_data)
+with open(r"C:\Users\admin\Desktop\book.txt",'w',encoding='utf-8') as file2:
+    file2.write(new_data)
+with open(r"C:\Users\admin\Desktop\book.txt",'r',encoding='utf-8') as file3:
+    a=file3.read()
+    print(a)