save project

diy2.py

-with open('C:\\Users\\Public\\Desktop\\lm.txt','r',encoding='utf-8') as file1:
-    for lm in file1:
-        if '小兰：12' in lm:
-            print('sb在文件中')
-    
-    
+new_data=''
+with open('C:\\Users\\Public\\Desktop\\lm.txt','w',encoding='utf-8') as file1:
+    for data in file1:
+        if "小兰：12" in lm
+            data=data.replace('小兰：12,小兰：13')
+        new_data +=data