auto save

diy.py

@@ -3,9 +3,15 @@
 # fell.write('小兰：12本\n')
 # fell.close()
 
+
+new_fecc=""
 with open(r"C:\Users\bellcode\Desktop\aqw.txt","r",encoding="utf-8") as fell:
     for data in fell:
         if '小强：10本' in data:
+            data.replace('小强:10本','小强:11本')
             print('数据在文件中')
         if '小兰：12本' in data:
             print('数据在文件中')
+        new_fecc+=data
+with open(r"C:\Users\bellcode\Desktop\aqw.txt","w",encoding="utf-8") as fell:
+    fell.write(new_fecc)
\ No newline at end of file