save project

diy2.py

-with open('C:\\Users\\john\\Desktop\\tv.txt','a',encoding='utf-8') as file1:
-    file1.write('小兰：12\n小丽：11\n李文：9\n张伟：16')
-
+with open('C:\\Users\\john\\Desktop\\tv.txt','r',encoding='utf-8') as file1:
+    for date in file1:
+        if '张伟：16' in date:
+            print('张伟在文件中。')
+            
     
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