save project

diy.py

@@ -7,8 +7,12 @@
 # llj.close()
 # with open(r"C:\Users\Administrator\Desktop\lll.txt.txt","a",encoding="utf-8") as llj:
 #     llj.write('小兰：12本\n''小丽：11本\n''李文：9本\n''张伟：16本')
+new_data=""
 with open(r"C:\Users\Administrator\Desktop\lll.txt.txt","r",encoding="utf-8") as llj:
     for data in llj:
         if '小兰：12本' in data:
+            data=data.replace("小兰：12本","小兰：120本")
             print("aaa")
-
+        new_data+=data
+with open(r"C:\Users\Administrator\Desktop\lll.txt.txt","w",encoding="utf-8") as llj:
+    llj.write(new_data)
\ No newline at end of file