save project

diy.py

@@ -9,7 +9,7 @@ with open(r"C:\Users\DELL\Desktop\test.txt",'a',encoding='utf-8') as files:
     files.write('小强：12本\n')
     files.write('小强：12本\n')
     files.write('李明：15本\n')
     files.write('李明：15本\n')
     files.close()
     files.close()
-with open(r"C:\Users\DELL\Desktop\test.txt",'a',encoding='utf-8') as files:
+with open(r"C:\Users\DELL\Desktop\test.txt",'r',encoding='utf-8') as files:
     for i in files:
     for i in files:
         if '小强：12本' in i:
         if '小强：12本' in i:
             print('数据在文件中')    
             print('数据在文件中')    
\ No newline at end of file