auto save

diy.py

@@ -16,11 +16,13 @@
 #             print("小强的数据在文件中")
 #         if'小兰：12本'in data:
 #             print("小兰的数据在文件中")
+new_data=''
 with open(r"c:\Users\Administrator\Desktop\aaa.txt",'r',encoding='utf-8') as file:
-    for data in file
+    for data in file:
         if'小强：12本\n'in data:
-            data=file.replace('小强：12\n','小强：11\n')
+            data=data.replace('小强：12\n','小强：11\n')
         if'小兰：12本\n'in data:
-            data=file.replace('小兰：12\n','小兰：14\n')
+            data=data.replace('小兰：12\n','小兰：14\n')
         new_data+=data
-with open(r"c:\Users\Administrator\Desktop\aaa.txt",'w',encoding='utf-8') as file:
\ No newline at end of file
+with open(r"c:\Users\Administrator\Desktop\aaa.txt",'w',encoding='utf-8') as file:
+    file.write(new_data)