save project

diy.py

@@ -3,8 +3,12 @@ file1=open("C:\\Users\\Administrator\\Desktop\\book.txt",'w',encoding="utf-8")
 file1.write('小兰:12\n')
 file1.write('小丽：11\n')
 file1.write('李文：9\n')
-file1.close())
+file1.close()
 with open("C:\\Users\\Administrator\\Desktop\\book.txt",'w',encoding="utf-8")
 file1=open(r"C:\\Users\\Administrator\\Desktop\\book.txt",'r',encoding="utf-8")
 a=file1.read()
 print(a)
+for date in file1:
+    if'小丽:11本'in date:
+    print('数据在文件中')
+file1.close()
\ No newline at end of file