save project

diy.py

@@ -13,3 +13,5 @@ with open(r'C:\Users\Administrator\Desktop')as file:
     for data in file:
         if'小强:10本'in data:
             print('数据在文件中')
+            with open(r'C:\Users\Administrator\Desktop')as file:
+                 file.write(new_data)    
\ No newline at end of file