save project

diy.py

@@ -8,4 +8,11 @@ file.close()
 
 
 with open(r'C:\Users\Administrator\Desktop\hjsdhj.txt','a', encoding='utf-8') as file:
 with open(r'C:\Users\Administrator\Desktop\hjsdhj.txt','a', encoding='utf-8') as file:
     file.write('小强：10\n')
     file.write('小强：10\n')
-    file.write('李明：15\n')
+    file.write('李明：15\n')
\ No newline at end of file
+
+with open(r'C:\Users\Administrator\Desktop\hjsdhj.txt','r', encoding='utf-8') as file:
+    for data in file:
+        if '小强：10' in data:
+            print('小强数据在文件中')
+        if '小兰：12' in data:
+            print('kdsrfhsd')
\ No newline at end of file