save project

12.py

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