save project

diy.py

@@ -8,7 +8,6 @@
 with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8')as file:
     for data in file:
         if'小强:语文12本'in data:
-            print('在')
-            file=file.replace("小兰：数学12本","小兰：数学13本")
-            new_file+=file             
-            print(new_file) 
\ No newline at end of file
+            data=data.replace("小强:语文12本","小强:语文13本")
+        new_data+=data
+print(new_data)
\ No newline at end of file