save project

diy.py

@@ -6,7 +6,8 @@ new_data=''
 with open(r'C:\Users\XMBC\Desktop\text.txt','r',encoding='utf-8')as text:
     for data in text:
         if '小兰:12本' in data:
-        data.replace('小兰:12本','小兰:13本')
+            data=data.replace('小兰:12本','小兰:13本')
         new_data+=data
-    print(new_data)
-
+print(new_data)
+with open(r'C:\Users\XMBC\Desktop\text.txt','w',encoding='utf-8')as text1:  
+    text1.write(new_data)
\ No newline at end of file