auto save

1.py

+
+
+
+newdata=''
+file1=open(r'C:\Users\stone\Desktop\book.txt','w',encoding='utf-8')
+for i in file1:
+    if '小兰:12本' in i:
+        i=i.replace('小兰:12本','小兰:14本')
+    newdata+=i