save project

diy.py

@@ -6,4 +6,8 @@ f1.write('李文:9')
 f1.write('张伟:16')
 f1.write('小强:10\n')
 f1.write('李明:15\n')
-f1.close()
\ No newline at end of file
+
+with open(r'C:\Users\Administrator\Desktop\lz.txt','r',encoding='utf-8')as f1:
+    for i in f1:
+        if '小强:10' in i:
+            print('小强在文件中')
\ No newline at end of file