save project

a.py

@@ -9,8 +9,9 @@ with open(r"C:\Users\肖慧\Desktop\book.txt","r",encoding='utf-8')as file:
             data=data.replace("小兰：12本","小兰：14本")
         new_data+=data
         print(new_data)
-# with open(r"C:\Users\肖慧\Desktop\book.txt","w",encoding='utf-8') as file:
+with open(r"C:\Users\肖慧\Desktop\book.txt","w",encoding='utf-8') as file:
 #     # file.replace("小强：10本","小强：11本")
 #     # file.replace("小兰：12本","小兰：14本")
 #     b=file.write(new_data)
 # print(b)
+    file.write(new_data)