save project

diy.py

@@ -7,6 +7,6 @@ with open(r'C:\Users\Administrator\Desktop\book.txt','a',encoding='utf-8') as fi
     file.write('李强,10本\n')
     file.write('李强,10本\n')
 
 
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file:
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file:
-    for data in file1:
+    for data in file:
         if '李强,10本'in data:
         if '李强,10本'in data:
             print('数据在文件中')
             print('数据在文件中')
\ No newline at end of file