save project

diy.py

@@ -11,4 +11,11 @@ with open('C:\\Users\\windoins\\Desktop\\test.txt',"w",encoding="utf-8")as file:
 # file.write('小兰：12本\n')
 # file.write('小兰：12本\n')
 
 
 
 
-# file.close()
+with open('C:\\Users\\windoins\\Desktop\\test.txt',"r",encoding="utf-8")as file:
\ No newline at end of file
+    a=file.readlines()
+    new_data=""
+    for data in a:
+        print(data)
+        if "小兰：12本" in data:
+            print("数据在里面")
+            "小兰：12本"