auto save

diy.py

@@ -9,3 +9,8 @@ with open("C:\\Users\\Administrator\\Desktop\\test.txt",'a',encoding='utf-8') as
     file.write('小强：12本')
     file.write('小强：12本')
     file.write('李明：15本')
     file.write('李明：15本')
 with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8') as file:
 with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8') as file:
+    for data in file1:
+        if '小强：12本 ' in data:
+            data=data.replace('小强：12本','小强：13本')
+        new_data +=data
+print(new_data)            
\ No newline at end of file