save project

diy.py

@@ -9,3 +9,8 @@ file1=open('C:\\Users\\maku\\Desktop\\test.txt','a',encoding='utf-8')
 file1.write('小强:10本\n')
 file1.write('李明:15本\n')
 file1.close()
+with open('C:\\Users\\maku\\Desktop\\test.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强:10本' in data:
+            print('小强数据在文件中')
+