auto save

diy.py

@@ -13,8 +13,12 @@ with open(r'C:\Users\16420\Desktop\test.txt','a',encoding='utf-8') as file:
     file.write('李明: 15本\n')
     
 with open(r'C:\Users\16420\Desktop\book.txt','r',encoding='utf-8') as file1:
-    file.read('打电话的: 10本\n')
-    file.read('搭建的你: 34本\n')
+    for data in file1:
+        if '小强10本' in data:
+            print('小强数据存在')
+        if '小兰10本' in data:
+            print('小兰数据存在')
+