save project

diy.py

 file1=with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')as
 file1.write('小兰:12本'/n)
-file1.close()
\ No newline at end of file
+file1.close()
+with open("C:\Users\Administrator\Desktop\book.txt"'r',encoding='utf-8')
+for data in file1:
+    if'小强:10本'in data:
+        print('数据在文件中')
\ No newline at end of file