save project

diy.py

@@ -9,3 +9,7 @@ with open(r'C:\Users\Administrator\Desktop\tast.txt','a',encoding='utf-8') as fi
     file1.write('小兰:12')
     file1.write('李明:12')
     file1.write('小强:12')
+with open(r'C:\Users\Administrator\Desktop\tast.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强:12' in data:
+            print('数据在文件中')        
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