auto save

diy.py

@@ -5,14 +5,10 @@ file1.write("小丽：11本\n")
 file1.write("李文：9本\n")
 file1.close()
 
-with open(r"C:\Users\ColaMaster\Desktop\cola.txt","a",encoding="utf-8") as file2:
-    file2.write("大白：100本\n")
+# with open(r"C:\Users\ColaMaster\Desktop\cola.txt","a",encoding="utf-8") as file2:
+#     file2.write("大白：100本\n")
 
 with open(r"C:\Users\ColaMaster\Desktop\cola.txt","r",encoding="utf-8") as file3:
-    a = file3.read()
-    if "小兰：12本" in a:
-        a = a.replace("小兰：12本","小兰：200本")
-
-with open(r"C:\Users\ColaMaster\Desktop\cola.txt","w",encoding="utf-8") as file4:
-    print(a)
-    file4.write(a)
\ No newline at end of file
+    data = file3.read()
+    if "大白：100本" in data:
+        print("找到啦！")