auto save

diy.py

@@ -4,3 +4,11 @@ file1.write('小李:13本')
 file1.write('张伟:16本')
 file1.write('小吗:14本')
 file1.close()
+file1=open(r'C:\Users\dell\Desktop\test.txt','r'',encoding='utf-8')
+    for data in file1:
+        if '小兰:12本' in data:
+            print("小兰在数据里") 
+        if '小李:12本' in data:
+            print("小李在数据里")
+            print
+