auto save

diy.py

@@ -5,7 +5,8 @@
 #file1.close()
 #file1.close()
 
 
 
 
-with open(r"C:\Users\Admin\Desktop\test.txt","r",encoding="utf-8")as file1:
+with open(r"C:\Users\Admin\Desktop\test.txt","w"",encoding="utf-8")as file1:
     for data in file1:
     for data in file1:
         if "小兰:12本" in data:
         if "小兰:12本" in data:
+            data=data.replace("小强:10",)
             print("数据在文件中")
             print("数据在文件中")