save project

diy.py

 with open(r'C:\Users\CM\Desktop\book,txt','r',encoding='utf-8') as file1:
     for data in file1:
         if '小强：10本' in data
-            print('小强数据在文件')
+            ba
         if '小兰：12本' in data
             print('小兰数据在文件')
+with open(r'C:\Users\CM\Desktop\book,txt','w',encoding='utf-8') as file1:
\ No newline at end of file