auto save

diy.py

@@ -8,7 +8,7 @@
 with open(r'C:\Users\DELL\Desktop\ppy.txt','a',encoding='utf-8')as filel:
     filel.write('小强：10本\n')
     filel.write('李明：15本\n')
- with open(r'C:\Users\DELL\Desktop\ppy.txt','r',encoding='utf-8')as filel:
+with open(r'C:\Users\DELL\Desktop\ppy.txt','r',encoding='utf-8')as filel:
      for data in filel:
         if '小强：10本' in data:
             print('小强数据在文件中')