save project

Untitled-1.py.py

-file1=open(r'C:\新建文件夹\ book.txt','w',encoding='utf-8')
-
-with open(r'C:\新建文件夹\ book.txt','r',encoding='utf-8') as file1：
+new_date=''
+with open(r'C:\新建文件夹\test.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
+            date=date.replace('小强:10本','小强:11本')
+        new_date+=date
+with open(r'C:\新建文件夹\test.txt','w',encoding='utf-8')as file1:
+    file1.write(new_date)