save project

jfwfw.py

@@ -6,9 +6,11 @@
 with open(r'C:\Users\Administrator\Desktop\test.txt',a',encoding='utf-8' ) as file:
     file.write("小兰：12本")
     file.write("小明：1000000000000本")
-
+new_data=""
 with open(r'C:\Users\Administrator\Desktop\test.txt',r',encoding='utf-8' ) as file:
     for data in file:
         if "小兰：12本" in data: 
-            print("**************")
+            data=data.preplace('小兰：12本','小兰：2000000000000000000000000000000000本')
+        new_data +=data        
+print(naw_data)