save project

diy.py

-file1=open(r'C:\Users\MK011\Desktop\text.txt','w',encoding='utf-8')
-file1.write('小强:10本\n')
-file1.write('李明:15本\n')
-file1.close()
\ No newline at end of file
+with open(r'C:\Users\MK011\Desktop\text.txt','r',encoding='utf-8')as file1:
+    for data in file1:
+        if '小强:10本'in data:
+            print('数据在文件中')
\ No newline at end of file