save project

diy.py

-file1=open(r'C:\Users\syyou\test.txt','a',encoding='utf-8')
-file1.write('小兰:12本\n')
+with open(r'C:\Users\syyou\test.txt','a',encoding='utf-8')as file1:
+    for data in file1:
+        if "小兰:10本" in data:
+            print("数据中")