auto save

diy.py

@@ -10,7 +10,6 @@ with open(r"C:\Users\EDZ\Desktop\bai.txt","a",encoding="utf-8") as dabai:
 
     dabai.write("李文：9本")
 with open(r"C:\Users\EDZ\Desktop\bai.txt","r",encoding="utf-8") as dabai3:
+    data = dabai3.read() 
     if "李文：9本" in data :
-    data.replace("李文：9本""李文：1000000本")
-with open(r"C:\Users\EDZ\Desktop\bai.txt","w",encoding="utf-8") as dabai4:
-    dabai4.write(data)
\ No newline at end of file
+        print("找到啦!")
\ No newline at end of file