save project

diy.py

@@ -4,4 +4,5 @@ with open(r'c:\Users\CM\Desktop\book.txt','a',encoding='utf-8')as file1:
         if'小强:10本'in data:
             print('小强数据在文件中')
         if'小兰:12本'in data:
-            print('小兰数据在文件中')
\ No newline at end of file
+        data=data.replace    print('小兰数据在文件中')
+        new_data+=data
\ No newline at end of file